Scientific Commons: A. Weller

Multiple atomic dark solitons in cigar-shaped Bose-Einstein condensates (2009)

Theocharis, G., Weller, A., Ronzheimer, J. P., Gross, C., Oberthaler, M. K., Kevrekidis, P. G., ...

We consider the stability and dynamics of multiple dark solitons in cigar-shaped Bose-Einstein condensates (BECs). Our study is motivated by the fact that multiple matter-wave dark solitons may...

Drift-sound and drift-Alfvén eigenmodes in toroidal plasmas (2009)

Kolesnichenko, Ya. I., Lutsenko, V. V., Weller, A., Thomsen, H., Yakovenko, Yu. V., Geiger, J., ...

On impurity handling in high performance stellarator/heliotron plasmas (2009)

Burhenn, R., Feng, Y., Ida, K., Maasberg, H., McCarthy, K. J., Kalinin, D., ...

International Stellarator/Heliotron Database progress on high-beta confinement and operational boundaries (2009)

Weller, A., Watanabe, K.Y., Sakakibara, S., Dinklage, A., Funaba, H., Geiger, J., ...

Thermo-mechanical analysis of plasma facing components of diagnostics in the Wendelstein 7-X stellarator (2009)

Ye, M.Y., Hirsch, M., König, R., Laux, M., Thomsen, H., Weller, A., ...

Development of net-current free heliotron plasmas in the Large Helical Device (2009)

Komori, A., Yamada, H., Sakakibara, S., Kaneko, O., Kawahata, K., Mutoh, T., ...

On Impurity Handling in High Performance Stellarator/Heliotron Plasmas (2009)

Burhenn, R., Feng, Y., Ida, K., Kalinina, D., Maassberg, H., McCarthy, K. J., ...

Monoamines, BDNF, Dehydroepiandrosterone, DHEA-Sulfate, and Childhood Depression—An Animal Model Study (2009)

O. Malkesman, T. Asaf, L. Shbiro, A. Goldstein, R. Maayan, A. Weizman, ...

Basal levels of monoamines and DHEA in four main limbic brain regions were measured in prepubertal Wistar Kyoto (WKY) rats (a putative animal model of childhood depression). Basal levels of...

Squeezing and entanglement in a Bose-Einstein condensate (2008)

Esteve, J., Gross, C., Weller, A., Giovanazzi, S., Oberthaler, M. K.

Entanglement, a key feature of quantum mechanics, is a resource that allows the improvement of precision measurements beyond the conventional bound reachable by classical means. This is known as the...

Experimental observation of oscillating and interacting matter wave dark solitons (2008)

Weller, A., Ronzheimer, J. P., Gross, C., Frantzeskakis, D. J., Theocharis, G., Kevrekidis, P. G., ...

We report on the generation, subsequent oscillation and interaction of a pair of matter wave dark solitons. These are created by releasing a Bose-Einstein condensate from a double well potential into...

Status of the International Stellarator/Heliotron Profile Database (2008)

Dinklage, A., Ascasibar, E., Beidler, C. D., Brakel, R., Burhenn, R., Castejon, F., ...

Extensions of the International Stellarator Database by High-b Data from W7-AS and LHD (2008)

Weller, A., Watanabe, K. Y., Sakakibara, S., Dinklage, A., Funaba, H., Geiger, J., ...

Major results from the stellarator Wendelstein 7-AS (Review Article) (2008)

Hirsch, M., Baldzuhn, J., Beidler, C., Brakel, R., Burhenn, R., Dinklage, A., ...

Applications of HINT2 code to stellarator/helitron (2008)

Suzuki, Y., Nakajima, N., Geiger, J., Yamamoto, S., Watanabe, K. Y., Sakakibara, S., ...

On low frequency Alvén instabilities in stellarators (2008)

Kolesnichenko, Ya.I., Lutsenko, V.V., Weller, A., Werner, A., Yakovenko, Yu.V., Geiger, J.

Thermal-Mechanical Analysis for in-Vessel Diagnostic Components in W7-X (2008)

Ye, M. Y., Werner, A., Hirsch, M., Thomsen, H., Weller, A., König, R.

The Steady State Challenge for Soft X-Ray Diagnostics on Wendelstein 7-X Stellarator (2008)

Thomsen, H., Broszat, T., Carvalho, P., Mohr, S., Weller, A., Ye, M. Y.

Comparison of fast tomographic methods for application on the Soft X-Ray Tomography System on Wendelstein 7-X stellarator (2008)

Carvalho, P. J., Thomsen, H., Gori, S., Von Toussaint, U., Geiger, J., Weller, A., ...

Experimental Study and Simulation of W7-AS Transient MHD Modes (2008)

Pokol, G., Papp, G., Por, G., Zoletnik, S., Weller, A.

Diagnostic developments for quasicontinuous operation of the Wendelstein 7-X stellarator (2008)

König, R., Cantarini, J., Dreier, H., Erckmann, V., Hildebrandt, D., Hirsch, M., ...

MHD study of the reactor-relevant high-beta regime in the Large Helical Device (2008)

Sakakibara, S., Watanabe, K. Y., Suzuki, Y., Narushima, Y., Ohdachi, S., Nakajima, N., ...

Fast tomographic methods for the tokamak ISTTOK (2008)

Carvalho, P. J., Thomsen, H., Gori, S., Von Toussaint, U., Weller, A., Coelho, R., ...

Generation of kinetic Alfvén waves by Non-conventional Global Alfvén Eigenmodes (2008)

Fesenyuk, O. P., Weller, A., Werner, A., Yakovenko, Yu. V., Kolesnichenko, Ya. I.

Status of the International Stellarator/Heliotron Profile Database (2008)

Kus, A., Pretty, D., Ascasibar, E., Beidler, C. D., Blackwell, B. D., Brakel, R., ...

Application of neural networks for fast tomographic inversion on Wendelstein 7-X (2008)

Thomsen, H., Carvalho, P. J., Gori, S., Von Toussaint, U., Weller, A., Coelho, R., ...

Isolation of naturally associated bacteria of necromenic Pristionchus nematodes and fitness consequences (2008)

Rae, R., Riebesell, M., Dinkelacker, I., Qiong, W., Herrmann, M., Weller, A., ...

Nematodes and bacteria are major components of the soil ecosystem. Many nematodes use bacteria for food, whereas others evolved specialized bacterial interactions ranging from mutualism to...

Diagnostic Challenges for the Optimized Stellarator Wendelstein 7-X (2008)

Wolf, R. C., König, R., Biel, W., Cantarini, J., Endler, M., ...

Major Results from Wendelstein 7-AS Stellarator (2007)

F. Wagner, R. Burhenn, F. Gadelmeier, J. Geiger, M. Hirsch, H. P. Laqua, ...

island divertor operation and the modelling of the results with the EMC3/EIRENE code- confinement issues with emphasis on the differences to tokamaks (isotope effect, density scaling, lack of profile...

Island divertor experiments on the Wendelstein 7-AS stellarator (2007)

K. Mccormick, P. Grigull, R. Burhenn, R. Brakel, H. Ehmler, Y. Feng, ...

INSTITUTE OF PHYSICS PUBLISHING PLASMA PHYSICS AND CONTROLLED FUSION Plasma Phys. Control. Fusion 45 (2003) A285–A308 PII: S0741-3335(03)67725-0 Experiments close to the beta-limit in W7-AS (2007)

A Weller, J Geiger, A Werner, M C Zarnstorff, E Sall, J Baldzuhn, ...

A major objective of the experimental program in the last phase of the W7-AS stellarator was to explore and demonstrate the high-β performance of advanced stellarators. MHD-quiescent discharges at...

Magnetohydrodynamic activity and energetic ions in fusion plasmas (2007)

Kolesnichenko, Y. I., Lutsenko, V., Marchenko, V. S., Weller, A., White, R. B., Yakovenko, Y. V., ...

Poloidal trapping of the high-frequency Alfvén continuum and eigenmodes in stellarators (2007)

Yakovenko, Yu.V., Weller, A., Werner, A., Zegenhagen, S., Fesenyuk, O.P., Kolesnichenko, Ya.I.

Localized Breaking of Flux Surfaces and the Equilibrium β Limit in the W7AS Stellarator (2007)

Reiman, A., Zarnstorff, M.C., Monticello, D., Krommes, J., Weller, A., Geiger, J., ...

Characteristic Features of Edge Transport Barrier Formed in Helical Divertor Configuration of the Large Helical Device (2007)

Toi, K., Watanabe, F., Ohdachi, S., Narihara, K., Morisaki, T., Sakakibara, S., ...

Mitigation of stochastic diffusion losses in optimized stellarators (2007)

Tykhyy, A. V., Kolesnichenko, Ya. I., Yakovenko, Yu. V., Weller, A., Werner, A.

Pressure-induced, breaking of equilibrium flux surfaces in the W7AS stellarator (2007)

Reiman, A. A., Zarnstorff, M. C., Monticello, D., Weller, A., Geiger, J.

Physical model assessment of the energy confinement time scaling in stellarators (2007)

Dinklage, A., Maaßberg, H., Preuss, R., Turkin, Y., Yamada, H., Ascasibar, E., ...

Electron Cyclotron Heating for W7-X: Physics and Technology (2007)

Erckmann, V., Brand, P., Braune, H., Dammertz, G., Gantenbein, G., Kasparek, W., ...

Conventional and non-conventional global Alfven eigenmodes in stellarators (2007)

Kolesnichenko, Ya. I., Lutsenko, V. V., Weller, A., Werner, A., Yakovenko, Yu. V., Geiger, J., ...

Assessment of confinement scaling models for W7-AS high-ß data (2007)

Preuss, R., Dinklage, A., Weller, A.

Multi-Harmonic Modes in W7-AS High-Beta Configurations (2007)

Weller, A., Werner, A., Geiger, J., Nührenberg, C., Thomsen, H.

Assessment of global stellarator confinement. Status of the International Stellarator Confinement Database (2007)

Dinklage, A, Ascasibar, E, Beidler, CD, Brakel, R, Geiger, J, Harris, JH, ...

Energy Confinement Scaling for High-ß Plasmas in the W7-AS Stellarator (2007)

Preuss, R., Dinklage, A., Weller, A.

Physical model assessment of the energy confinement time scaling in stellarators (2007)

Dinklage, A., Maassberg, H., Preuss, R., Irkin, Yu. A., Yamada, H., Ascasibar, E., ...

Electron cyclotron heating for W7-X: physics and technology. (2007)

Erckmann, V., Brand, P., Braune, H., Dammertz, G., Gantenbein, G., Kasparek, W., ...

Fusion Science and Technology, 52(2007) S.291-312

A Primary Noise Thermometer for Ultracold Bose Gases (2006)

Gati, R., Esteve, J., Hemmerling, B., Ottenstein, T. B., Appmeier, J., Weller, A., ...

We discuss in detail the experimental investigation of thermally induced fluctuations of the relative phase between two weakly coupled Bose-Einstein condensates. In analogy to superconducting...

Transport of Impurity Ions in the Wendelstein 7-AS Stellarator Plasma (2006)

Burhenn,R., Baldzuhn,J., Beidler,C., Brakel,R., Ehmler,H., Giannone,L., ...

Transport of Impurity Ions in the Wendelstein 7-AS Stellarator Plasma (2006)

Burhenn, R., Baldzuhn, J., Beidler, C., Brakel, R., Ehmler, H., Giannone, L., ...

Effects of the Radial Electric Field on the Confinement of Trapped Fast Ions in Wendelstein 7-X and Helias Reactor (2006)

Kolesnichenko, Ya.I., Lutsenko, V., Tykhyy, A.V., Weller, A., Werner, A., Wobig, H., ...

Analysis of Alfvén Eigenmodes in Stellarators using non-evenly spaces probes (2006)

Zegenhagen, S., Werner, A., Könies, A., Weller, A., Klinger, T.

Effects of fast-ion-orbit width on Alfvén instabilities in stellarators: a general theory and its application to a W7-AS experiment (2006)

Kolesnichenko, Ya. I., Lutsenko, V. V., Weller, A., Werner, A., Wobig, H., Yakovenko, Yu. V., ...

Significance of MHD Effects in Stellarator Confinement (2006)

Weller, A., Sakakibara, S., Watanabe, K.Y., Toi, K., Geiger, J., Zarnstorff, M.C., ...

Recent Progress of MHD Study in High-Beta Plasmas of LHD (2006)

Sakakibara, S., Watanabe, K. Y., Yamada, H., Narushima, Y., Yamaguchi, T., Toi, K., ...

Recent Progress of MHD Study in High-β Plasmas of LHD (2006)

Sakakibara, S., Watanabe, K. Y., Yamada, H., Narushima, Y., Yamaguchi, T., Toi, K., ...

Significance of MHD Effects in Stellarator Confinement (2006)

Weller, A., Sakakibara, S., Watanabe, K.Y., Toi, K., Geiger, J., Zarnstorff, M.C., ...

Localized Breaking of Flux Surfaces and the Equilibrium β Limit in the W7AS Stellarator (2006)

Reiman, A., Zarnstorff, M.C., Monticello, D., Krommes, J., Weller, A., Geiger, J., ...

Characteristic Features of Edge Transport Barrier Formed in Helical Divertor Configuration of the Large Helical Device (2006)

Toi, K., Watanabe, F., Ohdachi, S., Narihara, K., Morisaki, T., Sakakibara, S., ...

Poloidal trapping of high-frequency Alfvén eigenmodes in stellarators (2006)

Yakovenko, Yu.V., Kolesnichenko, Ya.I., Fesenyuk, O.P., Weller, A., Zegenhagen, S., Werner, A., ...

Experimental observations and theoretical interpretation of anti-ballooning high-frequency Alfvenic activity in Wendelstein 7-AS (2006)

Zegenhagen, S., Yakovenko, Y.V., Kolesnichenko, Y.I., Werner, A., Geiger, J., Weller, A., ...

Assessment of physical models for the scaling of global confinement energy in W7-AS (2006)

Preuss, R., Turkin, Yu., Dinklage, A., Weller, A.

W7-AS: One step of the Wendelstein stellarator line (2005)

Wagner,F., Baeumel,S., Baldzuhn,J., Basse,N., Brakel,R., Burhenn,R., ...

The Saturation of Beta in W7-AS (2005)

Zarnstorff,M. C., Weller,A., Fredrickson,E., Knauer,J. P., Monticello,D., Reiman,A., ...

Novel Mechanism of Anomalous Electron Heat Conductivity and Thermal Crashes during Alfvénic Activity in the Wendelstein 7-AS Stellarator (2005)

Kolesnichenko,Ya. I., Yakovenko,Yu. V., Weller,A., Werner,A., Geiger,J., Lutsenko,V. V., ...

Analysis and interpretation of observations of Alfvenic activity in Wendelstein 7-AS (2005)

Kolesnichenko,Ya.I., Lutsenko,V.v., Weller,A., Werner,A., Yakovenko,Yu.V., Geiger,J., ...

Weller,A., Zarnstorff,M.C., Hudson,S.R., Geiger,J., Werner,A., ...

Equilibrium and Stability of High-Beta Plasmas in Wendelstein 7-AS (2005)

Zarnstorff,M. C., Weller,A., Geiger,J., Fredrickson,E., Hudson,S., Knauer,J. P., ...

Confinement Relevant Alfvén Instabilities in Wendelstein 7-AS (2005)

Yakovenko,Y. V., Kolesnichenko,Y. I., Lutsenko,V. V., Weller,A., Werner,A., Zegenhagen,S., ...

W7-AS: One step of the Wendelstein stellarator line (2005)

Wagner, F., Baeumel, S., Baldzuhn, J., Basse, N., Brakel, R., Burhenn, R., ...

The Saturation of Beta in W7-AS (2005)

Zarnstorff, M. C., Weller, A., Fredrickson, E., Knauer, J. P., Monticello, D., Reiman, A., ...

Novel Mechanism of Anomalous Electron Heat Conductivity and Thermal Crashes during Alfvénic Activity in the Wendelstein 7-AS Stellarator (2005)

Kolesnichenko, Ya. I., Yakovenko, Yu. V., Weller, A., Werner, A., Geiger, J., Lutsenko, V. V., ...

Analysis and interpretation of observations of Alfvenic activity in Wendelstein 7-AS (2005)

Kolesnichenko, Ya.I., Lutsenko, V.v., Weller, A., Werner, A., Yakovenko, Yu.V., Geiger, J., ...

Weller, A., Zarnstorff, M.C., Hudson, S.R., Geiger, J., Werner, A., ...

Equilibrium and Stability of High-Beta Plasmas in Wendelstein 7-AS (2005)

Zarnstorff, M. C., Weller, A., Geiger, J., Fredrickson, E., Hudson, S., Knauer, J. P., ...

Confinement Relevant Alfvén Instabilities in Wendelstein 7-AS (2005)

Yakovenko, Y. V., Kolesnichenko, Y. I., Lutsenko, V. V., Weller, A., Werner, A., Zegenhagen, S., ...

Equilibrium and Stability of High-ß Plasmas in Wendelstein 7-AS (2004)

Geiger,J. E., Weller,A., Zarnstorff,M. C., Nührenberg,C., Werner,A. H. F., Kolesnichenko,Ya. I., ...

Equilibrium calculations for the W7-AS stellarator with large internal current densities due to ECCD (2004)

Geiger,J., Maassberg,H., Marushchenko,N. B., Romé,M., Weller,A.

Concepts of x-ray diagnostics for WENDELSTEIN 7-X (2004)

Weller,A., Mohr,S., Junghans,C.

Impurity Transport Studies in the Wendelstein 7-AS Stellarator (2004)

Burhenn,R., Baldzuhn,J., Brakel,R., Ehmler,H., Giannone,L., Grigull,P., ...

MHD instabilities and their effects on plasma confinement in Large Helical Device plasmas (2004)

Toi,K., Ohdachi,S., Yamamoto,S., Nakajima,N., Sakakibara,S., Watanabe,K. Y., ...

Progress of High-Beta Experiments in Stellarator/Heliotron (2004)

Watanabe,K. Y., Weller,A., Sakakibara,S., Narushima,Y., Ohdachi,S., Narihara,K., ...

Fast Ion Confinement and Fast-Ion-Induced Effects in Stellarators (2004)

Kolesnichenko,Ya. I., Lutsenko,V. V., Marchenko,V. S., Weller,A., Werner,A. H. F., Wobig,H. F. G., ...

Equilibrium and Stability of High-ß Plasmas in Wendelstein 7-AS (2004)

Geiger, J. E., Weller, A., Zarnstorff, M. C., Nührenberg, C., Werner, A. H. F., Kolesnichenko, Ya. I., ...

Equilibrium calculations for the W7-AS stellarator with large internal current densities due to ECCD (2004)

Geiger, J., Maassberg, H., Marushchenko, N. B., Romé, M., Weller, A.

Concepts of x-ray diagnostics for WENDELSTEIN 7-X (2004)

Weller, A., Mohr, S., Junghans, C.

Impurity Transport Studies in the Wendelstein 7-AS Stellarator (2004)

Burhenn, R., Baldzuhn, J., Brakel, R., Ehmler, H., Giannone, L., Grigull, P., ...

MHD instabilities and their effects on plasma confinement in Large Helical Device plasmas (2004)

Toi, K., Ohdachi, S., Yamamoto, S., Nakajima, N., Sakakibara, S., Watanabe, K. Y., ...

Progress of High-Beta Experiments in Stellarator/Heliotron (2004)

Watanabe, K. Y., Weller, A., Sakakibara, S., Narushima, Y., Ohdachi, S., Narihara, K., ...

Fast Ion Confinement and Fast-Ion-Induced Effects in Stellarators (2004)

Kolesnichenko, Ya. I., Lutsenko, V. V., Marchenko, V. S., Weller, A., Werner, A. H. F., Wobig, H. F. G., ...

Electron-Bernstein-wave current drive in an overdense plasma at the Wendelstein 7-AS stellarator (2003)

Laqua,H. P., Maaßberg,H., Marushchenko,N. B., Volpe,F., Weller,A., Kasparek,W.

Electron-Bernstein-wave (EBW) current drive in an overdense plasma was demonstrated at the Wendelstein 7-AS stellarator for the first time. The EBWs were generated by O-X-B mode conversion. The...

Bolometer tomography at the density limit of the HDH mode in the W7-AS stellarator (2003)

Giannone,L., Brakel,R., Burhenn,R., Ehmler,H., Feng,Y., Grigull,P., ...

The installation of divertor plates in the W7-AS stellarator has allowed attainment of a high energy confinement regime at high density, where the radiation profiles reached steady state. In this...

Island divertor experiments on the Wendelstein 7-AS stellarator (2003)

McCormick,K., Grigull,P., Burhenn,R., Brakel,R., Ehmler,H., Feng,Y., ...

A promising new operational regime on the Wendelstein stellarator W7-AS has been discovered, fulfilling the conditions of optimal core behavior in combination with edge parameters suitable for...

Neutron field in the Wendelstein-7-X hall (2003)

Herrnegger,F., Junker,J., Weller,A., Wobig,H.

The (d,d)-reactions between the deuterons will produce neutrons with an average energy of 2.46 MeV which are shielded by the concrete wall of 180 cm thickness in case of the Wendelstein 7-X...

Peculiarities of destabilization of Alfvén modes by energetic ions in stellarators (2003)

Lutsenko,V. V., Kolesnichenko,Ya. I., Yakovenko,Yu. V., Fesenyuk,O. P., Weller,A., Werner,A., ...

A theory of Alfvén instabilities caused by the energetic ions in helical devices is developed, and specific examples relevant to Wendelstein-line stellarators (W7-AS, W7-X, a Helias reactor) are...

Investigation of the beta-limit in the W7-AS stellarator (2003)

Weller,A., Geiger,J., Zarnstorff,M., Sallander,E., Klose,S., Werner,A., ...

Investigations of the performance and stability of high-beta plasmas have been restarted in W7-AS utilizing higher heating powers and the new divertor system. The combination of beneficial effects...

Major results from Wendelstein 7-AS stellarator (2003)

Wagner,F., Burhenn,R., Gadelmeier,F., Geiger,J., Hirsch,M., Laqua,H. P., ...

W7-AS operates with an island divertor, which utilises the natural edge islands of the low-shear stellarator configuration to divert the plasma. High densities (up to 4×1020m-3) and partly detached...

MHD instabilities and their effects on plasma confinement in the large helical device plasmas (2003)

Toi,K., Ohdachi,S., Yamamoto,S., Nakajima,N., Sakakibara,S., Watanabe,K. Y., ...

MHD stability of NBI heated plasmas and impacts of MHD modes on plasma confinement are intensively studied in the Large Helical Device (LHD). Three characteristic MHD instabilities were observed,...

Impurity transport model for the normal confinement and high density H-mode discharges in Wendelstein 7-AS (2003)

Ida,K., Burhenn,R., McCormick,K., Pasch,E., Yamada,H., Yoshinuma,M., ...

An impurity transport model based on diffusivity and the radial convective velocity is proposed as a first approach to explain the differences in the time evolution of Al XII (0.776 nm), Al XI (55...

Increasing the significance of thomson scattering data by bayesian modelling (2003)

Dinklage,A., Fischer,R., Hirsch,M., Weller,A.

Effects of the New Island Divertor on the Plasma Performance in the W7-AS Stellarator (2003)

Grigull,P., McCormick,K., Baldzuhn,J., Burhenn,R., Brakel,R., Ehmler,H., ...

The island divertor in the W7-AS stellarator enables access to a new NBI-heated, high density operating regime with promising confinement properties. This regime — the High Density H-Mode —...

Experiments close to the beta-limit in W7-AS (2003)

Weller,A., Geiger,J., Werner,A., Zarnstorff,M. C., Nührenberg,C., Sallander,E., ...

A major objective of the experimental program in the last phase of the W7-AS stellarator was to explore and demonstrate the high-β performance of advanced stellarators. MHD-quiescent discharges at...

Improved Performance of the W7-AS Stellarator with the New Island Divertor (2003)

Brakel,R., Grigull,P., McCormick,K., Burhenn,R., Feng,Y., Sardei,F., ...

The island divertor concept has successfully been realized at W7-AS. The divertor gives access to a new NBI-heated high density regime with densities up to 4×10²⁰m-3 and energy confinement well...

Island divertor experiments on the Wendelstein 7-AS stellarator (2003)

McCormick,K., Grigull,P., Burhenn,R., Brakel,R., Ehmler,H., Feng,Y., ...

Major results from Wendelstein 7-AS stellarator (2003)

Wagner,F., Burhenn,R., Gadelmeier,F., Geiger,J., Hirsch,M., Laqua,H. P., ...

Electron-Bernstein-wave current drive in an overdense plasma at the Wendelstein 7-AS stellarator (2003)

Laqua, H. P., Maaßberg, H., Marushchenko, N. B., Volpe, F., Weller, A., Kasparek, W.

Electron-Bernstein-wave (EBW) current drive in an overdense plasma was demonstrated at the Wendelstein 7-AS stellarator for the first time. The EBWs were generated by O-X-B mode conversion. The...

Bolometer tomography at the density limit of the HDH mode in the W7-AS stellarator (2003)

Giannone, L., Brakel, R., Burhenn, R., Ehmler, H., Feng, Y., Grigull, P., ...

The installation of divertor plates in the W7-AS stellarator has allowed attainment of a high energy confinement regime at high density, where the radiation profiles reached steady state. In this...

Island divertor experiments on the Wendelstein 7-AS stellarator (2003)

McCormick, K., Grigull, P., Burhenn, R., Brakel, R., Ehmler, H., Feng, Y., ...

A promising new operational regime on the Wendelstein stellarator W7-AS has been discovered, fulfilling the conditions of optimal core behavior in combination with edge parameters suitable for...

Neutron field in the Wendelstein-7-X hall (2003)

Herrnegger, F., Junker, J., Weller, A., Wobig, H.

The (d,d)-reactions between the deuterons will produce neutrons with an average energy of 2.46 MeV which are shielded by the concrete wall of 180 cm thickness in case of the Wendelstein 7-X...

Peculiarities of destabilization of Alfvén modes by energetic ions in stellarators (2003)

Lutsenko, V. V., Kolesnichenko, Ya. I., Yakovenko, Yu. V., Fesenyuk, O. P., Weller, A., Werner, A., ...

A theory of Alfvén instabilities caused by the energetic ions in helical devices is developed, and specific examples relevant to Wendelstein-line stellarators (W7-AS, W7-X, a Helias reactor) are...

Investigation of the beta-limit in the W7-AS stellarator (2003)

Weller, A., Geiger, J., Zarnstorff, M., Sallander, E., Klose, S., Werner, A., ...

Investigations of the performance and stability of high-beta plasmas have been restarted in W7-AS utilizing higher heating powers and the new divertor system. The combination of beneficial effects...

Major results from Wendelstein 7-AS stellarator (2003)

Wagner, F., Burhenn, R., Gadelmeier, F., Geiger, J., Hirsch, M., Laqua, H. P., ...

W7-AS operates with an island divertor, which utilises the natural edge islands of the low-shear stellarator configuration to divert the plasma. High densities (up to 4×1020m-3) and partly detached...

MHD instabilities and their effects on plasma confinement in the large helical device plasmas (2003)

Toi, K., Ohdachi, S., Yamamoto, S., Nakajima, N., Sakakibara, S., Watanabe, K. Y., ...

MHD stability of NBI heated plasmas and impacts of MHD modes on plasma confinement are intensively studied in the Large Helical Device (LHD). Three characteristic MHD instabilities were observed,...

Impurity transport model for the normal confinement and high density H-mode discharges in Wendelstein 7-AS (2003)

Ida, K., Burhenn, R., McCormick, K., Pasch, E., Yamada, H., Yoshinuma, M., ...

An impurity transport model based on diffusivity and the radial convective velocity is proposed as a first approach to explain the differences in the time evolution of Al XII (0.776 nm), Al XI (55...

Increasing the significance of thomson scattering data by bayesian modelling (2003)

Dinklage, A., Fischer, R., Hirsch, M., Weller, A.

Effects of the New Island Divertor on the Plasma Performance in the W7-AS Stellarator (2003)

Grigull, P., McCormick, K., Baldzuhn, J., Burhenn, R., Brakel, R., Ehmler, H., ...

The island divertor in the W7-AS stellarator enables access to a new NBI-heated, high density operating regime with promising confinement properties. This regime — the High Density H-Mode —...

Experiments close to the beta-limit in W7-AS (2003)

Weller, A., Geiger, J., Werner, A., Zarnstorff, M. C., Nührenberg, C., Sallander, E., ...

A major objective of the experimental program in the last phase of the W7-AS stellarator was to explore and demonstrate the high-β performance of advanced stellarators. MHD-quiescent discharges at...

Improved Performance of the W7-AS Stellarator with the New Island Divertor (2003)

Brakel, R., Grigull, P., McCormick, K., Burhenn, R., Feng, Y., Sardei, F., ...

The island divertor concept has successfully been realized at W7-AS. The divertor gives access to a new NBI-heated high density regime with densities up to 4×10²⁰m-3 and energy confinement well...

Island divertor experiments on the Wendelstein 7-AS stellarator (2003)

McCormick, K., Grigull, P., Burhenn, R., Brakel, R., Ehmler, H., Feng, Y., ...

Increasing the Significance of Thomson Scattering Data by Bayesian Modelling (2003)

A. Dinklage, R. Fischer, M. Hirsch, E. Pasch, A. Weller

Introduction: The Integration of Diagnostics Results Data analysis employing a full statistical diagnostics model increases the significance of measurements and allows for the quantification of the...

A new quasi-stationary, very high density plasma regime on the W7-AS stellarator (2002)

Jaenicke,R., Bäumel,S., Baldzuhn,J., Brakel,R., Burhenn,R., Ehmler,H., ...

Stellarators have the intrinsic property of steady state operation. However, on present-day stellarators the pulse length is usually not only limited due to technical reasons, but also by physical...

New advanced operational regime on the W7-AS stellarator (2002)

McCormick,K., Grigull,P., Burhenn,R., Brakel,R., Ehmler,H., Feng,Y., ...

A promising new plasma operational regime on the Wendelstein stellarator W7-AS has been discovered. It is extant above a threshold density and characterized by flat density profiles, high energy and...

Characterization of impurity transport in the W7-AS stellarator during the transition to the improved confinement regime (2002)

Burhenn,R., Ida,K., Brakel,R., Giannone,L., Grigull,P., ...

Comparative study of intrinsic edge impurities in the W7-AS stellarator during high confinement discharges (2002)

Ehmler,H., Burhenn,R., Baldzuhn,J., Dinklage,A., Giannone,L., Hartmann,D., ...

Comparative study of intrinsic edge impurities in the W7-AS stellarator during high confinement discharges (2002)

Ehmler,H., Burhenn,R., Baldzuhn,J., Dinklage,A., Giannone,L., Hartmann,D., ...

Overview on recent W7-AS results (2002)

Jaenicke,R., Bäumel,S., Baldzuhn,J., Brakel,R., Burhenn,R., Ehmler,H., ...

Plasma performance of Wendelstein 7-AS with the new boundary-island divertor modules (2002)

McCormick,K., Grigull,P., Burhenn,R., Brakel,R., Ehmler,H., Feng,Y., ...

Shear Alfven eigenmodes in compact stellarators (2002)

Spong,D. A., Sanchez,R., Weller,A., Hirshman,A. P.

Performance and stability of high-β discharges in W7-AS (2002)

Weller,A., Geiger,J., Werner,A., Klose,S., Baldzuhn,J., Brakel,R., ...

Asymmetries of impurities Radiation in the W7-AS observed with soft-X-Ray tomography (2002)

Klose,S., Weller,A., Geiger,J., Werner,A.

X-Ray multi camera tomography system of Wendelstein 7-X (2002)

Klose,S., Weller,A., Schötz,P., Werner,A., Greve,H.

Diagnostics for helical systems (2002)

Sudo,S., Mizuuchi,T., Ozaki,T., Nagayama,Y., Akiyama,T., ...

Fast ion loss diagnostic for the Wendelstein 7-X stellarator (2002)

Werner,A., Darrow,D. S., Kuduk,R., Weller,A.

A new quasi-stationary, very high density plasma regime on the W7-AS stellarator (2002)

Jaenicke, R., Bäumel, S., Baldzuhn, J., Brakel, R., Burhenn, R., Ehmler, H., ...

Stellarators have the intrinsic property of steady state operation. However, on present-day stellarators the pulse length is usually not only limited due to technical reasons, but also by physical...

New advanced operational regime on the W7-AS stellarator (2002)

McCormick, K., Grigull, P., Burhenn, R., Brakel, R., Ehmler, H., Feng, Y., ...

A promising new plasma operational regime on the Wendelstein stellarator W7-AS has been discovered. It is extant above a threshold density and characterized by flat density profiles, high energy and...

Characterization of impurity transport in the W7-AS stellarator during the transition to the improved confinement regime (2002)

Burhenn, R., Ida, K., Brakel, R., Giannone, L., Grigull, P., ...

Comparative study of intrinsic edge impurities in the W7-AS stellarator during high confinement discharges (2002)

Ehmler, H., Burhenn, R., Baldzuhn, J., Dinklage, A., Giannone, L., Hartmann, D., ...

Comparative study of intrinsic edge impurities in the W7-AS stellarator during high confinement discharges (2002)

Ehmler, H., Burhenn, R., Baldzuhn, J., Dinklage, A., Giannone, L., Hartmann, D., ...

Overview on recent W7-AS results (2002)

Jaenicke, R., Bäumel, S., Baldzuhn, J., Brakel, R., Burhenn, R., Ehmler, H., ...

Plasma performance of Wendelstein 7-AS with the new boundary-island divertor modules (2002)

McCormick, K., Grigull, P., Burhenn, R., Brakel, R., Ehmler, H., Feng, Y., ...

Shear Alfven eigenmodes in compact stellarators (2002)

Spong, D. A., Sanchez, R., Weller, A., Hirshman, A. P.

Performance and stability of high-β discharges in W7-AS (2002)

Weller, A., Geiger, J., Werner, A., Klose, S., Baldzuhn, J., Brakel, R., ...

Asymmetries of impurities Radiation in the W7-AS observed with soft-X-Ray tomography (2002)

Klose, S., Weller, A., Geiger, J., Werner, A.

X-Ray multi camera tomography system of Wendelstein 7-X (2002)

Klose, S., Weller, A., Schötz, P., Werner, A., Greve, H.

Diagnostics for helical systems (2002)

Sudo, S., Mizuuchi, T., Ozaki, T., Nagayama, Y., Akiyama, T., ...

Fast ion loss diagnostic for the Wendelstein 7-X stellarator (2002)

Werner, A., Darrow, D. S., Kuduk, R., Weller, A.

The Impact of the New Island Divertor on the Plasma Performance in the W7-AS Stellarator (2002)

Grigull, P., McCormick, K.., Burhenn, R., Brakel, R., Ehrmler, H., Feng, Y., ...

Alfven eigenmodes in Helias configurations (part II) (2002)

Kolesnichenko, Ya.I., Lutsenko, V.V., Weller, A., Wobig, H., Yakovenko, Yu.V.

The brain decade in debate: VIII. Peptide hormones and behavior: cholecystokinin and prolactin (2001)

Beinfeld,M.C., Bittencourt,J.C., Bridges,R.S., Faris,P.L., Lucion,A.B., Nasello,A.G., ...

This article is a transcription of an electronic symposium held on November 28, 2000 in which active researchers were invited by the Brazilian Society of Neuroscience and Behavior (SBNeC) to discuss...

Conformal roughness in the adsorbed lamellar phase of aerosol-OT at the air/water and liquid/solid interface (2001)

Li, Z X, Lu, J R, Thomas, R K, Weller, A, Penfold, J, Webster, J R P, ...

Survey of Magnetohydrodynamic Instabilities in the Advanced Stellarator Wendelstein 7-AS (2001)

Weller,A., Anton,M., Geiger,J., Hirsch,M., Jaenicke,R., Werner,A., ...

Fast Ion Losses in the W7-AS Stellarator (2001)

Werner,A., Weller,A., Darrow,D.S.

Edge transport barrier formation and ELM phenomenology in the W7-AS stellarator (2001)

Grigull,P., Hirsch,M., Baldzuhn,J., Ehmler,H., Gadelmeier,F., Giannone,L., ...

Characteristics of MHD Instabilities Excited in the Core and Edge Regions of the LHD Plasmas (2001)

Toi,K., Ohdachi,S., Yamamoto,S., Sakakibara,S., Yamada,H., Weller,A., ...

Survey of Magnetohydrodynamic Instabilities in the Advanced Stellarator Wendelstein 7-AS (2001)

Weller, A., Anton, M., Geiger, J., Hirsch, M., Jaenicke, R., Werner, A., ...

Fast Ion Losses in the W7-AS Stellarator (2001)

Werner, A., Weller, A., Darrow, D.S.

Edge transport barrier formation and ELM phenomenology in the W7-AS stellarator (2001)

Grigull, P., Hirsch, M., Baldzuhn, J., Ehmler, H., Gadelmeier, F., Giannone, L., ...

Characteristics of MHD Instabilities Excited in the Core and Edge Regions of the LHD Plasmas (2001)

Toi, K., Ohdachi, S., Yamamoto, S., Sakakibara, S., Yamada, H., Weller, A., ...

Pellet-Induced Low Frequency Oscillations on the Large Helical Device (2001)

Ohdachi, S., Yamamoto, S., Toi, K., Weller, A., Sakamoto, R., Yamada, H., ...

Spectra of Highly Ionized Xenon (6-30 nm) Excited in W7-AS Plasmas (2001)

Hacker, H.H., Burhenn, R., Kondo, K., Anton, M., Assmus, D., Baeumel, S., ...

Energetic Ion Loss Diagnostic for the Wendelstein 7-AS Stellarator (2001)

Darrow, D.S., Werner, A., Weller, A.

First Island Divertor Experiments on the W7-AS Stellarator. Invited Paper (2001)

Grigull, P., McCormick, K., Baldzuhn, J., Burhenn, R., Brakel, R., Ehmler, H., ...

Effects of Toroidal Currents upon Magnetic Configurations and Stability in Wendelstein 7-AS (2001)

Weller, A., Anton, M., Brakel, R., Geiger, J., Hirsch, M., Jaenicke, R., ...

Operational Boundaries on the Stellarator W7-AS at the Beginning of the Divertor Experiments (2001)

Jaenicke, R., Anton, M., Baldzuhn, J., Bäumel, S., Brakel, R., Burhenn, R., ...

Entwicklung von unterstützenden Programmsystemen (2000)

Weller, A., Görsch, R., Rey, U.

Aufnahme und Analyse von Architekturanforderungen (2000)

Weller, A., Görsch, R., Rey, U.

On the Dependence of Impurity Transport on Density and Toroidal Magnetic Field in the Stellarator Wendelstein 7-AS (2000)

Burhenn, R., Hacker, H., Wendland, C., Giannone, L., Maassberg, H., Ott, W., ...

Confinement of Neutral-Beam-Injected Fast Ions in W7-AS (2000)

Rust, N., Reimbold, S., Hübner, K., Gadelmeier, F., Kick, M., Weller, A.

Fast Ion Losses in the W7-AS Stellarator (2000)

Werner, A., Weller, A., Darrow, D.S.

Density Limit Physics in Stellarators (2000)

Giannone, L., Anton, M., Baldzuhn, J., Brakel, R., Burhenn, R., Fiedler, S., ...

Operational Conditions and Characteristics of ELM-Events during H-Mode Plasmas in the Stellarator W7-AS (2000)

Hirsch, M., Grigull, P., Wobig, H., Kisslinger, J., McCormick, K., Anton, M., ...

Physics of the Density Limit in the W7-AS Stellarator (2000)

Giannone, L., Baldzuhn, J., Burhenn, R., Wagner, F., Brakel, R., Fuchs, C., ...

Effects of Non-Vanishing Toroidal Current Densities on Stability in the Wendelstein 7-AS Stellarator (2000)

Sallander, E., Weller, A.

Preferential adsorption of the lamellar phase of AOT at the solid-liquid and air-liquid interfaces (1999)

Li, Z X, Weller, A, Thomas, R K, Rennie, A R, Webster, J R P, Penfold, J, ...

Dynamik der IT (1999)

Weller, A.

Dezentralisierung in produzierenden Unternehmen (1999)

Weller, A.

Concepts and methods for a production integrated environmental protection (1999)

Steinaecker, J. Von, Weller, A.

Some improvements and extensions of the application of specular neutron reflection to the study of interfaces (1998)

Li, Z X, Thirtle, P N, Weller, A, Thomas, R K, Penfold, J, Webster, J R P, ...

Bayesian techniques and the principle of maximum entropy in ion-beam analysis applications (1998)

Prozesky,V. M., Padayachee,J., Fischer,R., Dose,V., Weller,A.

Recent Observations of MHD Instabilities on W7-AS. (1998)

Anton,M., Klinger,T., Häse,M., Zoletnik,S., Geiger,J., Görner,C., ...

The Role of Magnetic Shear in the Confinement of W7-AS Plasmas (1998)

Brakel,R., Anton,M., Erckmann,V., Fiedler,S., Geiger,J., ...

Impurity Transport Investigations at W7-AS (1998)

Burhenn,R., Anton,M., Baldzuhn,J., Brakel,R., Giannone,L., Hacker,H., ...

Betriebliche Umweltinformationssysteme in Produktion und Logistik (1998)

Hilty, L.M., Rautenstrauch, C., Rey, U., Weller, A.

Betriebliche Umweltinformationssysteme. Anforderungen und Einsatz: Ergebnisse einer Befragung von Anwendern und Anbietern von informationstechnischen Unterstützungssystemen im Umweltmanagement (1998)

Rey, U., Jürgens, G., Weller, A.

Erfolgreich ein Umweltmanagementsystem aufzubauen ist eine Sache, es tagtäglich optimal anzuwenden und sinnvoll weiterzuentwickeln eine andere. Ohne geeignete Methoden und Werkzeuge werden die...

Technische Unterstützung dezentraler Organisationsstrukturen. Abschlußpräsentation im BMBF-Vorhaben TUDOR (1998)

Bauer, R., Kiemann, G., Schmitt, D., Weller, A.

Betriebliche Umweltinformationssysteme. Potentiale bleiben oft ungenutzt (1998)

Rey, U., Jürgens, G., Weller, A.

Eine Unternehmensbefragung des Fraunhofer Instituts für Arbeitswirtschaft und Organisation, Stuttgart (IAO) zeigt, daß der bisherige Einsatz von Betrieblichen Umweltinformationssystemen (BUIS)...

Bayesian techniques and the principle of maximum entropy in ion-beam analysis applications (1998)

Prozesky, V. M., Padayachee, J., Fischer, R., Dose, V., Weller, A.

Recent Observations of MHD Instabilities on W7-AS. (1998)

Anton, M., Klinger, T., Häse, M., Zoletnik, S., Geiger, J., Görner, C., ...

The Role of Magnetic Shear in the Confinement of W7-AS Plasmas (1998)

Brakel, R., Anton, M., Erckmann, V., Fiedler, S., Geiger, J., ...

Impurity Transport Investigations at W7-AS (1998)

Burhenn, R., Anton, M., Baldzuhn, J., Brakel, R., Giannone, L., Hacker, H., ...

Neutrons at w7-X (1998)

Junker, J., Weller, A.

Technische Unterstützung dezentraler Organisationsstrukturen (1997)

Weller, A., Carbon, M., Fleig, J., Schneider, R.

Technical support for decentralised organisational structures. The introduction of group work or the formation of profit centers is very important when companies are being decentralised into,...

Innovationschance produktionsintegrierter Umweltschutz: Potentiale und Lösungsansätze (1997)

Weller, A., Steinaecker, J. Von, Jürgens, G.

Due to law, public opinion and the influence of the market, enterprises will be forced to dedicate themselves more and more to environmental protection. For this purpose the production-integrated...

Concepts and methods for a production integrated environmental protection (1997)

Steinaecker, J. Von, Weller, A.

Observing the public discussion on environmental issues, it becomes evident that environmentally clean products and processes will represent a competitive factor of the strategic impact to producing...

BMBF-Vorhaben OPUS. Organisationsmodelle und Informationssysteme für einen produktionsintegrierten Umweltschutz (1997)

Weller, A.

Der betriebliche Umweltschutz gewinnt durch steigende Anforderungen seitens Politik, Gesellschaft, Markt und Wettbewerb immer mehr an Bedeutung. Additive Umweltschutztechniken stoßen dabei zunehmend...

Anforderungen im betrieblichen Umweltschutz: Motivation und Ziele in OPUS (1997)

Weller, A.

Analyse und Optimierung komplexer Produktionssysteme mit Simulationswerkzeugen (1997)

Karrais, A., Weller, A.

Analysing and optimising complex production systems with simulation tools. Fluctuation in demand, the demand for shorter delivery dates, reductions in batch sizes and prices compels companies to...

Neutron Diagnostics for W7-X: A Lomg Term Plan for the Period 1996-2005 (1997)

Elevant, T., Wolle, B., Weller, A.

Maximum entropy based reconstruction of soft X-ray emissivity profiles in W7-AS (1996)

Ertl,K., Dose,V., Weller,A.

TUDOR. Technische Unterstützung dezentraler Organisationsstrukturen: Zwischenbericht zum geschlossenen Schwerpunktfeld TUDOR. Förderkennzeichen 01 HM 154/8 im Auftrag des Projektträgers Arbeit und Technik (1996)

Weller, A., Minkel, H., Schneider, R., Fleig, J., Eckerle, M., ...

Maximum entropy based reconstruction of soft X-ray emissivity profiles in W7-AS (1996)

Ertl, K., Dose, V., Weller, A.

Electron transfer and manetic field effects in donor acceptor systems linked by a hydrocarbon chain incorporating phenyl groups (1995)

Staerk, H., Kuehnle, W., Weller, A., Werner, U.

Measurement of light impurity densities and Zeff in JET using X-ray tomography (1991)

Weisen, H., Pasini, D., Weller, A., Edwards, A.W.

Fluctuations and confinement in JET (1987)

Duperrex, P.A., Cripwell, P., Edwards, A.W., R.D., Gill, Granetz, R.S., Hubbard, A., ...

Impurity transport in the W7-AS stellarator

Burhenn,R., Baldzuhn,J., Brakel,R., Ehmler,H., Giannone,L., Grigull,P., ...

Equilibrium and stability of high-ß plasmas in W7-AS

Geiger,J., Weller,A., Zarnstorff,M., Nührenberg,C., Werner,A., Kolesnichenko,Ya. I., ...

Angular Distribution of the Neutron Field and Energy Spectra in The Wendelstein-7-X-Hall

Herrnegger,F., Burhenn,R., Sallander,J., Weller,A., Junker,J.

Wendelstein 7-AS results relevant for Wendelstein 7-X

Klinger,T., Baldzuhn,J., Baeumel,S., Brakel,R., Burhenn,R., Dinklage,A., ...

Determination of the Toroidal Current Density - and Iota-Profile in the W7-AS Using Soft X-Ray Measurements

Klose,S., Zarnstorff,M., Weller,A.

Impurity Transport Studies in the divertor operation of the W7-AS Stellarator

Krychowiak,M., König,R., Burhenn,R., Ehmler,H., Fischer,R., Knauer,J., ...

Numerical simulation of Alfvén instabilities in NBI experiments on Wendelstein 7-AS

Lutsenko,V. V., Kolesnichenko,Ya. I., Yakovenko,Y. V., Weller,A., Werner,A., Wobig,H., ...

Peculiarities of the Alfvén continuum in stellarators

Yakovenko,Y. V., Kolesnichenko,Y. I., Könies,A., Weller,A., Werner,A., Zegenhagen,S.

Equilibrium calculations for the W7-AS stellarator with large internal current densities due to ECCD

Geiger,J., Maassberg,H., Marushchenko,N., Romé,M., Weller,A.

Experiments close to the beta-limit in W7-AS

Weller,A., Geiger,J., Werner,A., Zarnstorff,M. C., Nührenberg,C., Sallander,E., ...

Impurity confinement studies in the Wendelstein 7-AS stellarator

Burhenn,R., Baldzuhn,J., Brakel,R., Ehmler,H., Giannone,L., Grigull,P., ...

Impurity confinement studies in the Wendelstein 7-AS stellarator

Burhenn,R., Baldzuhn,J., Brakel,R., Ehmler,H., Giannone,L., Grigull,P., ...

Magnetic Diagnostics for long pulse operation in Wendelstein 7-X

Werner,A., Geiger,J., Weller,A., Zegenhagen,S.

Equilibrium and Stability of High-Beta Plasmas in Wendelstein 7-AS

Zarnstorff,M., Weller,A., Geiger,J., Fredrickson,E., Hudson,S., Knauer,J., ...

Confinement Relevant Alfvén Instabilities in Wendelstein 7-AS

Yakovenko,Y. V., Kolesnichenko,Y. I., Lutsenko,V. V., Weller,A., Werner,A., Zegenhagen,S., ...

Concepts of x-ray diagnostics for WENDELSTEIN 7-X

Weller,A., Mohr,S., Junghans,C.

Progress of high beta experiments in stellarator/heliotron

Watanabe,K. Y., Weller,A., Sakakibara,S., Narushima,Y., Ohdachi,S., Toi,K., ...

Fast ion confinement and fast-ion-induced effects in stellarators

Kolesnichenko,Ya. I., Lutsenko,V. V., Marchenko,V. S., Weller,A., Werner,A., Wobig,H., ...

A new tool for Alfven eigenmode analysis in Stellarators

Zegenhagen,S., Werner,A., Weller,A., Klinger,T.

Equilibrium and stability in ECCD discharges of W7-AS

Geiger,J., Maassberg,H., Marushchenko,N. B., Romé,M., Weller,A., Werner,A.

Effects of fast-ion-orbit width on Alfvén instabilities in stellarators: a general theory and its application to a W7-AS experiment

Kolesnichenko,Ya. I., Lutsenko,V. V., Weller,A., Werner,A., Wobig,H., Yakovenko,Yu. V., ...

Properties of the high-frequency part of the Alfvén continuum and eigenmodes in stellarators

Yakovenko,Yu. V., Kolesnichenko,Ya. I., Weller,A., Wobig,H., Fesenyuk,O. P.

Novel physics involved in interpretation of Alfvénic activity accompanied by thermal crashes in W7-AS

Kolesnichenko,Ya. I., Lutsenko,V. V., Weller,A., Werner,A., Wobig,H., Yakovenko,Yu. V., ...

The Equilibrium β Limit in W7-AS

Reiman,A., Zarnstorff,M., Monticello,D., Weller,A., Geiger,J.

Significance of MHD Effects in Stellarator Confinement

Weller,A., Sakakibara,S., Watanabe,K.Y., Toi,K., Geiger,J., Zarnstorff,M. C., ...

Recent Progress of MHD Study in High-β Plasmas of LHD

Sakakibara,S., Watanabe,K. Y., Yamada,H., Narushima,Y., Yamaguchi,T., Toi,K., ...

Clinical and experimental aspects of viral myocarditis.

Leslie, K, Blay, R, Haisch, C, Lodge, A, Weller, A, Huber, S

Picornaviruses are frequently implicated as the etiological agents of acute myocarditis. This association is based historically on serological evidence of rising antibody titers to specific pathogens...

Exploring fast electron transfer processes by magnetic fields.

Schulten, K, Weller, A

Photoinduced electron transfer generates radical pairs which recombine with 10(-9)10(-8)s by electron back-transfer to either singlet or triplet products. The product distribution determined by the...

Clinical and experimental aspects of viral myocarditis.

Leslie, K, Blay, R, Haisch, C, Lodge, A, Weller, A, Huber, S

Picornaviruses are frequently implicated as the etiological agents of acute myocarditis. This association is based historically on serological evidence of rising antibody titers to specific pathogens...

Exploring fast electron transfer processes by magnetic fields.

Schulten, K, Weller, A

Photoinduced electron transfer generates radical pairs which recombine with 10(-9)10(-8)s by electron back-transfer to either singlet or triplet products. The product distribution determined by the...

Impurity transport in the W7-AS stellarator

Burhenn, R., Baldzuhn, J., Brakel, R., Ehmler, H., Giannone, L., Grigull, P., ...

Equilibrium and stability of high-ß plasmas in W7-AS

Geiger, J., Weller, A., Zarnstorff, M., Nührenberg, C., Werner, A., Kolesnichenko, Ya. I., ...

Angular Distribution of the Neutron Field and Energy Spectra in The Wendelstein-7-X-Hall

Herrnegger, F., Burhenn, R., Sallander, J., Weller, A., Junker, J.

Wendelstein 7-AS results relevant for Wendelstein 7-X

Klinger, T., Baldzuhn, J., Baeumel, S., Brakel, R., Burhenn, R., Dinklage, A., ...

Determination of the Toroidal Current Density - and Iota-Profile in the W7-AS Using Soft X-Ray Measurements

Klose, S., Zarnstorff, M., Weller, A.

Impurity Transport Studies in the divertor operation of the W7-AS Stellarator

Krychowiak, M., König, R., Burhenn, R., Ehmler, H., Fischer, R., Knauer, J., ...

Numerical simulation of Alfvén instabilities in NBI experiments on Wendelstein 7-AS

Lutsenko, V. V., Kolesnichenko, Ya. I., Yakovenko, Y. V., Weller, A., Werner, A., Wobig, H., ...

High-Beta Experiments in W7-AS

Weller, A.

The High-Density/High-Beta Regime in W7-AS

Weller, A.

Peculiarities of the Alfvén continuum in stellarators

Yakovenko, Y. V., Kolesnichenko, Y. I., Könies, A., Weller, A., Werner, A., Zegenhagen, S.

Equilibrium calculations for the W7-AS stellarator with large internal current densities due to ECCD

Geiger, J., Maassberg, H., Marushchenko, N., Romé, M., Weller, A.

Experiments close to the beta-limit in W7-AS

Weller, A., Geiger, J., Werner, A., Zarnstorff, M. C., Nührenberg, C., Sallander, E., ...

Impurity confinement studies in the Wendelstein 7-AS stellarator

Burhenn, R., Baldzuhn, J., Brakel, R., Ehmler, H., Giannone, L., Grigull, P., ...

Impurity confinement studies in the Wendelstein 7-AS stellarator

Burhenn, R., Baldzuhn, J., Brakel, R., Ehmler, H., Giannone, L., Grigull, P., ...

Magnetic Diagnostics for long pulse operation in Wendelstein 7-X

Werner, A., Geiger, J., Weller, A., Zegenhagen, S.

Interaction of fast ions with Alfvén modes in the W7-AS stellarator

Weller, A.

Hoch-Beta Plasmen im W7-AS Stellarator

Weller, A.

Equilibrium and Stability of High-Beta Plasmas in Wendelstein 7-AS

Zarnstorff, M., Weller, A., Geiger, J., Fredrickson, E., Hudson, S., Knauer, J., ...

Confinement Relevant Alfvén Instabilities in Wendelstein 7-AS

Yakovenko, Y. V., Kolesnichenko, Y. I., Lutsenko, V. V., Weller, A., Werner, A., Zegenhagen, S., ...

Soft X-Ray Emission Diagnostics of magnetically confined hot Plasmas

Weller, A.

Concepts of x-ray diagnostics for WENDELSTEIN 7-X

Weller, A., Mohr, S., Junghans, C.

Progress of high beta experiments in stellarator/heliotron

Watanabe, K. Y., Weller, A., Sakakibara, S., Narushima, Y., Ohdachi, S., Toi, K., ...

Fast ion confinement and fast-ion-induced effects in stellarators

Kolesnichenko, Ya. I., Lutsenko, V. V., Marchenko, V. S., Weller, A., Werner, A., Wobig, H., ...

A new tool for Alfven eigenmode analysis in Stellarators

Zegenhagen, S., Werner, A., Weller, A., Klinger, T.

Equilibrium and stability in ECCD discharges of W7-AS

Geiger, J., Maassberg, H., Marushchenko, N. B., Romé, M., Weller, A., Werner, A.

Effects of fast-ion-orbit width on Alfvén instabilities in stellarators: a general theory and its application to a W7-AS experiment

Kolesnichenko, Ya. I., Lutsenko, V. V., Weller, A., Werner, A., Wobig, H., Yakovenko, Yu. V., ...

Properties of the high-frequency part of the Alfvén continuum and eigenmodes in stellarators

Yakovenko, Yu. V., Kolesnichenko, Ya. I., Weller, A., Wobig, H., Fesenyuk, O. P.

Novel physics involved in interpretation of Alfvénic activity accompanied by thermal crashes in W7-AS

Kolesnichenko, Ya. I., Lutsenko, V. V., Weller, A., Werner, A., Wobig, H., Yakovenko, Yu. V., ...

The Equilibrium β Limit in W7-AS

Reiman, A., Zarnstorff, M., Monticello, D., Weller, A., Geiger, J.

Significance of MHD Effects in Stellarator Confinement

Weller, A., Sakakibara, S., Watanabe, K.Y., Toi, K., Geiger, J., Zarnstorff, M. C., ...

Recent Progress of MHD Study in High-β Plasmas of LHD

Sakakibara, S., Watanabe, K. Y., Yamada, H., Narushima, Y., Yamaguchi, T., Toi, K., ...

High Beta Operation in Stellarators

Weller, A.

Experimental observations and theoretical interpretation of anti-ballooning high-frequency Alfvenic activity in Wendelstein 7-AS

Zegenhagen, S., Yakovenko, Y.V., Kolesnichenko, Y.I., Werner, A., Geiger, J., Weller, A., ...

Overview of WEGA Stellarator Results and Plans

Warr, G. B., Chmyga, O., Holzhauer, E., Howard, J., Kasparek, W., Keil, D., ...

Effects of Alfvén modes in non-axisymmetric configurations

Weller, A.

Confinement of Fast Ions in the Presence of the Radial Electric Field in Wendelstein-line Stellarators

Kolesnichenko, Y. I., Lutsenko, V., Tykhyy, A. V., Weller, A., Werner, A., Wobig, H., ...

Effects of Alfvén modes in non-axisymmetric configurations

Weller, A.

Multi-Harmonic Modes in W7-AS High-Beta Configurations

Weller, A., Werner, A., Geiger, J., Nührenberg, C., Thomsen, H.

Expression of tenascin by vascular smooth muscle cells. Alterations in hypertensive rats and stimulation by angiotensin II.

Mackie, E. J., Scott-Burden, T., Hahn, A. W., Kern, F., Bernhardt, J., Regenass, S., ...

The extracellular matrix glycoprotein tenascin is associated with remodeling events in many embryonic and pathologic tissues. The expression of tenascin has been investigated by immunohistochemistry...

Assessment of confinement scaling models for W7-AS high-ß data

Preuss, R., Dinklage, A., Weller, A.

Modelling of low-frequency alfvénic activity in Wendelstein 7-AS

Kolesnichenko, Ya. I., Lutsenko, V. V., Weller, A., Werner, A., Yakovenko, Yu.V., Geiger, J., ...

EC-Heating for W7-X: physics and technology

Erckmann, V., Brand, P., Braune, H., Dammertz, G., Gantenbein, G., Kasparek, W., ...

Status of the International Stellarator/Heliotron Profile Database

Dinklage, A., Ascasibar, E., Beidler, C. D., Brakel, R., Burhenn, R., Castejon, F., ...

Diagnostic Developments for Quasi-Continuous Operation of the Wendelstein 7-X Stellarator

König, R., Cantarini, J., Grosser, K., Hildebrandt, D., Hirsch, M., Kocsis, G., ...

Effect of rotational transform and shear on confinement

Ascasibar, E., López-Bruna, D., Castejón, F., Tribaldos, V., Maassberg, H., Beidler, C. D., ...