Scientific Commons: J. J. Rasmussen

Direct observation of current in type I ELM filaments on Asdex Upgrade (2009)

Vianello, N., Naulin, V., Schrittwieser, R., Muller, H. W., Zuin, M., Ionita, C., ...

Magnetically confined plasmas are often subject to relaxation oscillations accompanied by large transport events. This is particularly the case for the high confinement regime of tokamaks where these...

Simultaneous Measurements of Electrostatic and Magnetic Fluctuations in ASDEX Upgrade Edge Plasma (2009)

Ionita, C., Vianello, N., Müller, H. W., Mehlmann, F., Zuin, M., Naulin, V., ...

Local electromagnetic characterization of type I ELMS on ASDEX Upgrade (2009)

Vianello, N., Schrittwieser, R., Naulin, V., Müller, H. W., Zuin, M., Ionita, C., ...

Local electromagnetic characterization of type I ELMS on ASDEX Upgrade (2009)

Vianello, N., Schrittwieser, R., Naulin, V., Müller, H. W., Zuin, M., Ionita, C., ...

Progress in Edge Plasma Transport Modeling on JET (2008)

Fundamenski, W., Coster, D. P., Airila, M., Belo, P., Bonnin, X., Chankin, A., ...

E-pile model of self-organized criticality (2007)

Milovanov, A. V., Rypdal, K., Rasmussen, J. J.

The concept of percolation is combined with a self-consistent treatment of the interaction between the dynamics on a lattice and the external drive. Such a treatment can provide a mechanism by which...

Experimental and numerical characterisation of fluctuations in the SOL of ASDEX Upgrade during L-mode and ELMy H-mode (2007)

Schrittwieser, R., Kendl, A., Konzett, S., Ionita, C., Mehlmann, F., Balan, P., ...

Convective transport by filamentary structures in scrape-off layer plasmas (2007)

Garcia, O.E., Horacek, J., Larsen, J.S., Madsen, S., Naulin, V., Nielsen, A.H., ...

Collisionality dependent transport in TCV SOL plasmas (2007)

Garcia, O.E., Pitts, R.A., Horacek, J., Madsen, J., Naulin, V., Nielsen, A.H., ...

Parallel SOL flow on TCV (2007)

Pitts, R. A., Horacek, J., Fundamenski, W., Garcia, O. E., Nielsen, A. H., Wischmeier, M., ...

Particle flow measurements parallel to the total magnetic field direction have been obtained for the first time in the TCV tokamak scrape-off layer. The plasma shape flexibility of TCV, coupled with...

Turbulent transport in the TCV SOL (2007)

Garcia, O. E., Pitts, R. A., Horacek, J., Nielsen, A. H., Fundamenski, W., Graves, J. P., ...

From probe measurements in the far SOL of TCV it is demonstrated that while the particle density profile becomes increasingly broader with increasing line averaged density, the radial variation of...

Fluctuations and transport in the TCV scrape-off layer (2007)

Garcia, O. E., Horacek, J., Pitts, R. A., Nielsen, A. H., Fundamenski, W., Naulin, V., ...

Fluctuations and particle transport in the scrape-off layer of TCV plasmas have been investigated by probe measurements and direct comparison with two-dimensional interchange turbulence simulations...

Dissipative processes in interchange driven scrape-off layer turbulence (2007)

Fundamenski, W., Garcia, O. E., Naulin, V., Pitts, R. A., Nielsen, A. H., Rasmussen, J. J., ...

First principles expressions are given for the parameters governing collisional diffusion and parallel losses of mass, momentum and energy in tokamak scrape-off layer (SOL) plasmas. These...

Superdiffusion and viscoelastic vortex flows in a two-dimensional complex plasma (2006)

Ratynskaia, S., Rypdal, K., Knapek, C., Khrapak, S., Milovanov, A. V., Ivlev, A., ...

Fluctuation Measurements in the SOL of ASDEX Upgrade by Langmuir Probes (2006)

Balan, P., Naulin, V., Rasmussen, J.J., Kendl, A., Ionita, C., Schrittwieser, R., ...

Turbulence simulations of interchange motions and intermittent transport in TCV scrape-off layer plasmas (2006)

Garcia, O.E., Pitts, R.A., Horacek, J., Nielsen, A.H., Fundamenski, W., Graves, J.P., ...

Turbulent transport in the TCV SOL (2006)

Garcia, O.E., Pitts, R.A., Horacek, J., Nielsen, A.H., Fundamenski, W., Graves, J.P., ...

Turbulent transport in the TCV SOL (2006)

Garcia, O.E., Pitts, R.A., Horacek, J., Nielsen, A.H., Fundamenski, W., Graves, J.P., ...

Parallel flow in TCV (2006)

Pitts, R.A., Horacek, J., Fundamenski, W., Nielsen, A.H., Garcia, O.E., Naulin, V., ...

On the origin of anomalous radial transport in the tokamak SOL (2006)

Pitts, R.A., Horacek, J., Garcia, O.E., Fundamenski, W., Graves, J.P., Naulin, V., ...

On the origin of anomalous radial transport in the tokamak SOL (2006)

Horacek, J., Garcia, O.E., Pitts, R.A., Fundamenski, W., Graves, J.P., Naulin, V., ...

On the origin of anomalous radial transport in the tokamak SOL (2006)

Horacek, J., Garcia, O.E., Pitts, R.A., Fundamenski, W., Graves, J.P., Naulin, V., ...

Interchange turbulence in the TCV scrape-off layer (2006)

Garcia, O. E., Horacek, J., Pitts, R. A., Nielsen, A. H., Fundamenski, W., Graves, J. P., ...

Probe measurements of electrostatic plasma fluctuations in the scrape-off layer (SOL) of the TCV tokamak are compared with the results from two-dimensional interchange turbulence simulations....

Plasma electrostatic turbulence in TCV tokamak edge: direct comparison of experiment with 2D simulation (2005)

Horacek, J., Garcia, O.E., Graves, J.P., Pitts, R.A., Nielsen, A.H., Naulin, V., ...

Modulational instability, solitons and beam propagation in spatially nonlocal nonlinear media (2004)

Krolikowski, W., Bang, O., Nikolov, N. I., Neshev, D., Wyller, J., Rasmussen, J. J., ...

We present an overview of recent advances in the understanding of optical beams in nonlinear media with a spatially nonlocal nonlinear response. We discuss the impact of nonlocality on the...

Aspects of Turbulent Transport (2004)

Naulin, V., Rasmussen, J. J.

Turbulence is an ubiquitous phenomenon in plasmas, which have usually large amounts of free energy available that can drive the turbulent velocity fluctuations. Universal properties of turbulence are...

Toroidal bubbles with circulation in ideal hydrodynamics. A variational approach (2003)

Ruban, V. P., Rasmussen, J. J.

Incompressible, inviscid, irrotational, and unsteady flows with circulation $\Gamma$ around a distorted toroidal bubble are considered. A general variational principle that determines the evolution...

Dynamics of Solitons and Quasisolitons of Cubic Third-Order Nonlinear Schr\"odinger Equation (2001)

Karpman, V. I., Rasmussen, J. J., Shagalov, A. G.

The dynamics of soliton and quasisoliton solutions of cubic third order nonlinear Schr\"{o}dinger equation is studied. The regular solitons exist due to a balance between the nonlinear terms and...

Finite time singularities in a class of hydrodynamic models (2000)

Ruban, V. P., Podolsky, D. I., Rasmussen, J. J.

Models of inviscid incompressible fluid are considered, with the kinetic energy (i.e., the Lagrangian functional) taking the form ${\cal L}\sim\int k^\alpha|{\bf v_k}|^2d^3{\bf k}$ in 3D Fourier...

International Conference on Complex Dynamics in Spatially-extended Systems (1997)

Bohr, T, Christiansen, P L, Mosekilde, E, Rasmussen, J J

Investigation of fluctuations in the SOL of ASDEX Upgrade by Langmuir probes

Balan, P., Mehlmann, F., Konzett, S.J., Kendl, A., Herrmann, A., Ionita, C., ...

Experimental and numerical characterisation of fluctuations in the SOL of ASDEX Upgrade during L-mode and ELMy H-mode

Schrittwieser, R., Konzett, S., Mehlmann, F., Balan, P., Ionita, C., Kendl, A., ...

Radial transport in the L- and H-mode SOL of ASDEX Upgrade

Mehlmann, F., Ionita, C., Müller, H. W., Balan, P., Herrmann, A., Kendl, A., ...

Simultaneous measurements of electro-static and magnetic fluctuations in ASDEX Upgrade edge plasma

Ionata, C., Mehlmann, F., Balan, P. C., Schrittwieser, R. W., Lupu, C., Müller, H. W., ...

Radial transport in the L- and H-mode SOL of ASDEX Upgrade

Mehlmann, F., Ionita, C., Müller, H. W., Balan, P., Herrmann, A., Kendl, A., ...