Scientific Commons: M. Lehnen

An analytical model previously developed to study the structure of the magnetic field for the TEXTOR-DED [S.S. Abdullaev et al. Phys. Plasmas, 6, 153 (1999)] is applied to the similar study of the...

Identification and analysis of transport domains in the stochastic boundary of TEXTOR-DED for different mode spectra (2008)

Schmitz, O., Jakubowski, M. W., Frerichs, H., Harting, D., Lehnen, M., Unterberg, B., ...

RMP ELM suppression in DIII-D plasmas with ITER similar shapes and collisionalities (2008)

Evans, T. E., Fenstermacher, M. E., Moyer, R. A., Osborne, T. H., Watkins, J. G., Gohil, P., ...

Suppression of Runaway Electrons by Resonant Magnetic Perturbations in TEXTOR Disruptions (2008)

Lehnen, M., Bozhenkov, S. A., Abdullaev, S. S., TEXTOR Team, Jakubowski, M. W.

Generation and suppression of runaway electrons in disruption mitigation experiments in TEXTOR (2008)

Bozhenkov, S. A., Lehnen, M., Finken, K. H., Jakubowski, M. W., Wolf, R. C., Jaspers, R., ...

Application of advanced edge diagnostics for transport studies in the stochastic boundary of TEXTOR-DED (2008)

Schmitz, O., Brezinsek, S., Classen, I., Clever, M., Coenen, J. W., Delabie, E., ...

Status of electron temperature and density measurement with beam emission spectroscopy on thermal helium at TEXTOR (2008)

Schmitz, O., Beigman, I. L., Vainshtein, L. A., Schweer, B., Kantor, M., Pospieszczyk, A., ...

Aspects of three dimensional transport for ELM control experiments in ITER-similar shape plasmas at low collisionality in DIII-D (2008)

Schmitz, O., Evans, T. E., Fenstermacher, M. E., Frerichs, H., Jakubowski, M. W., Schaffer, M. J., ...

Spectroscopic Measurements of the radial electric field under conditions of improved particle confinement (IPC) with the Dynamic Ergodic Divertor (DED) in the Tokamak TEXTOR (2008)

Coenen, J. W., Clever, M., Finken, K. H., Frerichs, H., Jakubowski, M. W., Lehnen, M., ...

Spectral measurements of runaway electrons by a scanning probe in the TEXTOR tokamak (2008)

Kudyakov, T., Finken, K. H., Jakubowski, M., Lehnen, M., Xu, Y., Willi, O.

Measurements of runaway electrons in the TEXTOR tokamak (2008)

Kudyakov, T., Finken, K. H., Jakubowski, M., Lehnen, M., Xu, Y., Bozhenkov, S. A., ...

Spatially and temporally resolved measurements of runaway electrons in the TEXTOR tokamak (2008)

Kudyakov, T., Finken, K. H., Jakubowski, M., Lehnen, M., Xu, Y., Schweer, B., ...

Runaway electrons after massive gas injections in TEXTOR: importance of the gas mixing and of the resonant magnetic perturbations (2008)

Bozhenkov, S. A., Lehnen, M., Finken, K. H., Jakubowski, M. W., Jaspers, R., Wolf, R. C., ...

The effect of the magnetic topology on particle recycling in the ergodic divertor of TEXTOR (2007)

Lehnen, M., Abdullaev, S. S., Brezinsek, S., Finken, K.H., Harting, D., Hellermann, M. Von, ...

Influence of the Dynamic Ergodic Divertor on the heat deposition pattern in TEXTOR at different collisionalities (2007)

Jakubowski, M.W., Lehnen, M., Finken, K.H., Schmitz, O., Abdullaev, S. S., Unterberg, B., ...

The definitive version is available at http://www.elsevier.com/locate/jnucmat .

Modelling of the penetration process of externally applied helical magnetic perturbation of the DED on the TEXTOR tokamak (2006)

Kikuchi, Y., Finken, K. H., Jakubowski, M., Lehnen, M., Reiser, D., Sewell, G., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/48/2/001

Change of the magnetic-field topology by an ergodic divertor on the plasma structure and transport (2006)

Jakubowski, M. W., Schmitz, O., Abdullaev, S. S., Brezinsek, S., Finken, K. H., Krämer-Flecken, A., ...

This version is available at the following Publisher URL: http://prl.aps.org

Mappings of stochastic field lines in poloidal divertor tokamaks (2006)

Abdullaev, S. S., Finken, K. H., Jakubowski, M., Lehnen, M.

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/46/4/S02

Losses of runaway electrons during ergodization (2006)

Finken, K. H., Abdullaev, S. S., Jakubowski, M., Lehnen, M., Zimmermann, O.

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/46/4/S04

Forced magnetic reconnection and field penetration of an externally applied rotating helical magnetic field in the TEXTOR tokamak (2006)

Kikuchi, Y., Finken, K. H., Jakubowski, M., Jaspers, R., Koslowski, H. R., ...

This version is available at the following Publisher URL: http://prl.aps.org

Overview of experiments with the dynamic ergodic divertor on TEXTOR (2006)

FINKEN, KH, ABDULLAEV, S, BIEL, W, DE BOCK, MFM, BREZINSEK, S, BUSCH, C, ...

Transport and divertor properties of the dynamic ergodic divertor (2005)

Lehnen, M., Abdullaev, S. S., Biehl, W., Brezinsek, S., Busch, C., Finken, K. H., ...

The definitive version is available at the following Publisher URL: http://www.iop.org .

Edge and divertor physics with reversed toroidal field in JET (2005)

Pitts,R. A., Andrew,P., Bonnin,X., Chankin,A. V., Corre,Y., Corrigan,G., ...

Effect of the Dynamic Ergodic Divertor in the TEXTOR Tokamak on MHD Stability, Plasma Rotation and Transport (2005)

Wolf,R. C., Biel,W., Finken,K. H., Günter,S., Hogeweij,G. M. D., ...

Effect of the Dynamic Ergodic Divertor in the TEXTOR Tokamak on MHD Stability, Plasma Rotation and Transport (2005)

Wolf,R.C., Biel,W., Finken,K.H., Guenter,S., Hogeweij,G.M.D., ...

The structure of magnetic field in the TEXTOR-DED (2005)

Finken, K. H., Abdullaev, S. S., Jakubowsi, M., Lehnen, M.

Edge and divertor physics with reversed toroidal field in JET (2005)

Pitts, R. A., Andrew, P., Bonnin, X., Chankin, A. V., Corre, Y., Corrigan, G., ...

Effect of the Dynamic Ergodic Divertor in the TEXTOR Tokamak on MHD Stability, Plasma Rotation and Transport (2005)

Wolf, R. C., Biel, W., Finken, K. H., Günter, S., Hogeweij, G. M. D., ...

Effect of the Dynamic Ergodic Divertor in the TEXTOR Tokamak on MHD Stability, Plasma Rotation and Transport (2005)

Wolf, R.C., Biel, W., Finken, K.H., Guenter, S., Hogeweij, G.M.D., ...

Toroidal plasma rotation induced by the Dynamic Ergodic Divertor in the TEXTOR tokamak (2005)

Finken, K. H., Abdullaev, S. S., Von Hellermann, M., Jakubowski, M., Jaspers, R., ...

This version is available at the following Publisher URL: http://prl.aps.org

Influence of the Dynamic Ergodic Divertor on the Density Limit in TEXTOR (2005)

Liang, Y., Koslowski, H. R., Kelly, F. A., Tokar, M. Z., Loozen, X., Bertschinger, G., ...

This version is available at the following Publisher URL: http://prl.aps.org

Effect of the dynamic ergodic in the TEXTOR tokamak on MHD stability, plasma rotation and transport (2005)

Wolf, R., Biel, W., Finken, K. H., GÃ¼nter, S., Hogeweij, G. M. D., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/45/12/026

The structure of magnetic field in the TEXTOR-DED (2005)

Finken, K. H., Abdullaev, S.S., Jakubowsi, M., Lehnen, M.

Background and initial experiments with the dynamic ergodic divertor on TEXTOR (2005)

Finken, K. H., Abdullaev, S. S., Giesen, B., Von Hellermann, M., Hogeweij, M. D., ...

Disruptions and their mitigation in TEXTOR (2005)

Finken, K. H., Jaspers, R., Krämer-Flecken, A., Savtchkov, A., Lehnen, M., Waidmann, G.

Edge and divertor physics with reversed toroidal field in JET (2005)

Pitts, R. A., Andrew, P., Bonnin, X., Chankin, A. V., Corre, Y., Corrigan, G., ...

Asymmetries are a ubiquitous feature of the scrape-off layer (SOL) and divertor plasmas in any tokamak and are thought to be driven primarily by a variety of drift flows, the directions of which...

Toroidal plasma rotation induced by the Dynamic Ergodic Divertor in the TEXTOR tokamak (2005)

FINKEN, KH, ABDULLAEV, SS, DE BOCK, MFM, VON HELLERMANN, M, JAKUBOWSKI, M, JASPERS, R, ...

Screening and radiation efficiency of carbon with Dynamic Ergodic Divertor on TEXTOR (2005)

Telesca, Giuseppe, Verdoolaege, Geert, Crombé, Kristel, LEHNEN, M, POSPIESZCZYK, A, UNTERBERG, B, ...

First results from the dynamic ergodic divertor at TEXTOR (2005)

LEHNEN, M, ABDULLAEV, SS, BIEL, W, BREZINSEK, S, FINKEN, KH, HARTING, D, ...

Transport and divertor properties of the dynamic ergodic divertor (2005)

LEHNEN, M, ABDULLAEV, S, BIEL, W, DE BOCK, MFM, BREZINSEK, S, BUSCH, C, ...

Modelling of the field line penetration and force transfer by the Dynamic Ergodic Divertor (DED) on TEXTOR (2004)

Finken, K. H., Abdullaev, S. S., Jakubowski, M., Lehnen, M., Sewell, G.

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/44/6/S06

The Dynamic Ergodic Divertor in the TEXTOR tokamak: plasma response to dynamic helical magnetic field perturbations (2004)

Finken, K. H., Abdullaev, S. S., Biel, W., Busch, C., Farshi, E., ...

This version is available at the following Publisher URL: http://stacks.iop.org/0741-3335/46/B143

The dynamic ergodic divertor in the TEXTOR tokamak: plasma response to dynamic helical magnetic field perturbations (2004)

FINKEN, KH, ABDULLAEV, SS, BIEL, W, DE BOCK, MFM, BUSCH, C, FARSHI, E, ...

Tomographic reconstruction of 2D line radiation distribution in the JET MkIIGB divertor (2003)

Huber,A., Coad,P., Coster,D., Ingesson,L. C., Itami,K., Jachmich,S., ...

A 2D-tomographic reconstruction of D- and C III-emission distribution in L-mode, density limit discharge has been performed and compared with results from other diagnostics (KL2, KS3). The observed...

Tomographic reconstruction of 2D line radiation distribution in the JET MkIIGB divertor (2003)

Huber, A., Coad, P., Coster, D., Ingesson, L. C., Itami, K., Jachmich, S., ...

A 2D-tomographic reconstruction of D- and C III-emission distribution in L-mode, density limit discharge has been performed and compared with results from other diagnostics (KL2, KS3). The observed...

Plasma edge transport phenomena caused by particle drifts and sources in TEXTOR (2003)

Lehnen, M., Brix, M., Samm, U., Schweer, B., Unterberg, B.

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/43/3/302

Overview of JET results (2003)

Pamela, J., Solano, E. R., Adams, J. M., Agarici, G., Agarici, M., Akhter, H., ...

Scientific and technical activities on JET focus on the issues likely to affect the ITER design and operation. Our understanding of the ITER reference mode of operation, the ELMy H-mode, has...

Ion flows in the scrape-off layer with biased limiter : implications for Tore Supra toroidal pumped limiter design (2002)

Gravier, E., Gunn, J. P., Lachambre, J. L., Loarer, T., Mank, G., Boucher, C., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/42/6/303

Ion flows in the scrape-off layer with biased limiter: implications for Tore Supra toroidal pumped limiter design. (2002)

GRAVIER, E, GUNN, JP, LACHAMBRE, JL, LOARER, T, MANK, G, BOUCHER, C, ...

Determination of Edge Density Profiles in JET Using a 50 kV Lithium Beam (2001)

Brix, M., Korotkov, A., Lehnen, M., Morgan, P., McCormick, K., Schweinzer, J., ...

Progress in Impurity Transport Studies on TEXTOR Using New VUV Spectrometers with High Time Resolution (2001)

Biel, W., Ahmad, I., Barth, C.J., Bertschinger, G., Dux, R., Fuchs, G., ...

Limiter biaing experiments in TEXTOR-94. (2001)

LOARER, T, GUNN, J, LACHAMBRE, JL, GRAVIER, E, BOUCHER, C, FINKEN, KH, ...

Neon radiation efficiency for different confinement regimes in TEXTOR-94 (2000)

Telesca, V. M., Unterberg, B., Jaspers, R., Messiaen, A. M., Ongena, J., Rapp, J., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/40/11/304

Neon radiation efficiency for different confinement regimes in TEXTOR-94. (2000)

Telesca, Giuseppe, UNTERBERG, B, JASPERS, R, MESSIAEN, AM, ONGENA, J, RAPP, J, ...

Modelling of particle flows in a scrape-off layer with limiter biasing. (2000)

LOARER, T, GRAVIER, E, GUNN, J, LACHAMBRE, JL, FINKEN, KH, LEHNEN, M, ...

Edge and divertor physics with reversed toroidal field in JET

Pitts,R. A., Andrew,P., Bonnin,X., Chankin,A. V., Corre,Y., Corrigan,G., ...

Changes in voltage activation, Cs+ sensitivity, and ion permeability in H5 mutants of the plant K+ channel KAT1.

Becker, D, Dreyer, I, Hoth, S, Reid, J D, Busch, H, Lehnen, M, ...

KAT1 is a voltage-dependent inward rectifying K+ channel cloned from the higher plant Arabidopsis thaliana [Anderson, J. A., Huprikar, S. S., Kochian, L. V., Lucas, W. J. & Gaber, R. F. (1992) Proc....

Identification and characterization of a novel Rho-specific guanine nucleotide exchange factor.

Blomquist, A, Schwörer, G, Schablowski, H, Psoma, A, Lehnen, M, Jakobs, K H, ...

Rho GTPases are implicated in a multitude of cellular processes regulated by membrane receptors, such as cytoskeletal rearrangements, gene transcription and cell growth and motility. Activation of...

Changes in voltage activation, Cs+ sensitivity, and ion permeability in H5 mutants of the plant K+ channel KAT1.

Becker, D, Dreyer, I, Hoth, S, Reid, J D, Busch, H, Lehnen, M, ...

KAT1 is a voltage-dependent inward rectifying K+ channel cloned from the higher plant Arabidopsis thaliana [Anderson, J. A., Huprikar, S. S., Kochian, L. V., Lucas, W. J. & Gaber, R. F. (1992) Proc....

Identification and characterization of a novel Rho-specific guanine nucleotide exchange factor.

Blomquist, A, Schwörer, G, Schablowski, H, Psoma, A, Lehnen, M, Jakobs, K H, ...

Rho GTPases are implicated in a multitude of cellular processes regulated by membrane receptors, such as cytoskeletal rearrangements, gene transcription and cell growth and motility. Activation of...

Edge and divertor physics with reversed toroidal field in JET

Pitts, R. A., Andrew, P., Bonnin, X., Chankin, A. V., Corre, Y., Corrigan, G., ...

Influence of Dynamic Ergodic Divertor on heat and particle transport in TEXTOR

Jakubowski, M., Lehnen, M., Schmitz, O., Unterberg, B., Wolf, R.

Spatially and temporally resolved measurements of runaway electrons in the TEXTOR tokamak

Kudyakov, T., Finken, K. H., Jakubowski, M., Lehnen, M., Schweer, B., Toncian, T., ...

MHD-simulations of the plasma response on the magnetic perturbations in the TEXTOR tokamak

Schega, D., Abdullaev, S., Jakubowski, M., Lehnen, M., Reiser, D., ...

Recent Analysis of Key Plasma Wall Interaction Issues for ITER

Roth, J., Tsitrone, E., Brezinsek, S., Coad, P., Counsell, G., Grisolia, C., ...

Carbon transport in the stochastic magnetic boundary of TEXTOR

Telesca, G., Brezinsek, S., Delabie, E., Finken, K. H., Von Hellermann, M., Jakubowski, M., ...