Publications of J. Geiger

Geiger, J.: Shafranov-shift in a toroidally averaged helical system with and without shear. 4th Coordinated Working Group Meeting (CWGM) for Stellarator Studies, Madrid (2008)

Marushchenko, N.; Maaßberg, H.; Turkin, Y.; Beidler, C.; Erckmann, V.; Geiger, J.; Laqua, H.; W7-X Team: IECRH/ECCD Scenarios on W7-X Stellarator. 4th Coordinated Working Group Meeting (CWGM) for Stellarator/Heliotron Studies, Madrid (2008)

Kolesnichenko, Y. I.; Lutsenko, V. V.; Yakovenko, Y. V.; Weller, A.; Thomsen, H.; Werner, A.; Geiger, J.: Theory of sub-GAM modes in toroidal plasmas and modelling of their observations in Wendelstein 7-AS. International Conference and School on Plasma Physics and Controlled Fusion and 3rd Alushta International Workshop on the Role of Electric Fields in Plasma Confinement in Stellarators and Tokamaks, Alushta (2008)

Marushchenko, N.; Maaßberg, H.; Beidler, C.; Erckmann, V.; Geiger, J.; Laqua, H.; Shalashov, A.; Suvorov, E.; Turkin, Y.; W7-X ECRH Team at FZK Karlsruhe: ECRH Scenarios on W7-X. 7th International Workshop on Strong Microwaves in Plasma: Sources and Applications, Nizhny Novgorod (2008)

Marushchenko, N.; Maaßberg, H.; Turkin, Y.; Beidler, C.; Erckmann, V.; Geiger, J.; Laqua, H.; W7-X Team: IECRH/ECCD Scenarios on W7-X Stellarator. 7th International Workshop "Strong Microwaves: Sources and Applications", Nizhny Novgorod (2008)

Wiegmann, C.; Geiger, J.; Suzuki, Y.; Reiter, D.; Wolf, R.: 3D Equilibrium Calculations of TEXTOR like discharges with resonant magnetic perturbations. DPG AMOP-Frühjahrstagung, Darmstadt (2008)

Geiger, J.; Suzuki, Y.; Wiegmann, C.; Reiter, D.; Wolf, R.: Applications of HINT2 to Wendelstein 7-AS & TEXTOR. NIFS, Toki (2008)

Ascasibar, E.; Lopez-Bruna, D.; Castejón, F.; Tribaldos, V.; Maassberg, H.; Beidler, C. D.; Brakel, R.; Dinklage, A.; Geiger, J.; Harris, J. H. et al.; Kus, A.; Mizuuchi, T.; Murakami, S.; Okamura, S.; Preuss, R.; Sano, F.; Stroth, U.; Suzuki, Y.; Talmadge, J.; Turkin, Y.; Watanabe, K. Y.; Weller, A.; Werner, A.; Yamada, H.; Yokoyama, M.: Effect of rotational transform and shear on confinement. Joint Conference of 17th International Toki Conference on Physics of Flows and Turbulence in Plasmas and 16th International Stellarator/Heliotron Workshop, Ceratopia Toki, Gifu (2007)

Beidler, C. D.; Geiger, J.; Maaßberg, H.; Marushchenko, N. B.; Turkin, Y.; W7-AS Team: Transport Modeling for W7-X on the Basis of W7-AS Experimental Results. Joint Conference of 17th International Toki Conference on Physics of Flows and Turbulence in Plasmas and 16th International Stellarator/Heliotron Workshop, Ceratopia Toki, Gifu (2007)

Kolesnichenko, Y. I.; Lutsenko, V. V.; Weller, A.; Werner, A.; Yakovenko, Y. V.; Geiger, J.: Low Frequency Alfvén Instabilities in Stellarators: Peculiarities and the Use for Diagnostics. 10th IAEA Technical Meeting on Energetic Particles in Magnetic Confinement Systems, Kloster Seeon (2007)

Drevlak, M.; Geiger, J.; Nührenberg, J.; Suzuki, Y.: Benchmark PIES vs. HINT2: First Results. Ringberg Theory Meeting, Ringberg (2006)

Reiman, A.; Zarnstorff, M. C.; Monticello, D.; Krommes, J.; Weller, A.; Geiger, J.; W7-AS Team: Localized Breaking of Flux Surfaces and the Equilibrium β Limit in the W7AS Stellarator. 21st IAEA Fusion Energy Conference, Chengdu (2006)

Geiger, J.: Compensation of magnetic signals using FIR filters - an adhoc approach. 4th Workshop on Fusion Data Processing, Validation and Analysis, Jülich (2006)

Geiger, J.: Equilibrium Calculations for W7-AS and W7-X. IPP Institutskolloquium, Greifswald (2005)

Geiger, J.: Equilibrium and stability at W7-AS. IPP Theory-Meeting, Zinnowitz (2005)

Kolesnichenko, Y. I.; Lutsenko, V. V.; Weller, A.; Werner, A.; Wobig, H.; Yakovenko, Y. V.; Geiger, J.; Zegenhagen, S.: Effects of fast-ion-orbit width on Alfvén instabilities in stellarators: a general theory and its application to a W7-AS experiment. IAEA Technical Meeting on Innovative Concepts and Theory of Stellarators, Madrid (2005)

Dinklage, A.; Ascasibar, E.; Beidler, C. D.; Dose, V.; Geiger, J.; Harris, J. H.; Kus, A.; Murakami, S.; Okamura, S.; Preuss, R. et al.; Sano, F.; Stroth, U.; Suzuki, Y.; Talmadge, J.; Tribaldos, V.; Watanabe, K. Y.; Yamada, H.; Yokoyama, M.: Assessment of Global Stellarator Confinement: Status of the International Stellarator Confinement Scaling Data Base. 15th International Stellarator Workshop, Madrid (2005)

Geiger, J.; Maassberg, H.; Marushchenko, N. B.; Romé, M.; Weller, A.; Werner, A.: Equilibrium and stability in ECCD discharges of W7-AS. 15th International Stellarator Workshop, Madrid (2005)

Kolesnichenko, Y. I.; Lutsenko, V. V.; Weller, A.; Werner, A.; Wobig, H.; Yakovenko, Y. V.; Geiger, J.; Tykhyy, A. V.; Zegenhagen, S.: Novel physics involved in interpretation of Alfvénic activity accompanied by thermal crashes in W7-AS. 15th International Stellarator Workshop, Madrid (2005)

Turkin, Y.; Maaßberg, H.; Beidler, C. D.; Geiger, J.; Marushchenko, N. B.: Current control by ECCD for W7-X. 15th International Stellarator Workshop, Madrid (2005)