Publications of J. Geiger

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)

Weller, A.; Sakakibara, S.; Watanabe, K. Y.; Toi, K.; Geiger, J.; Zarnstorff, M. C.; Hudson, S. R.; Reiman, A.; Werner, A.; Nührenberg, C. et al.; Ohdachi, S.; Suzuki, Y.; Yamada, H.; W7-AS Team; LHD Team: Significance of MHD Effects in Stellarator Confinement. 15th International Stellarator Workshop, Madrid (2005)

Geiger, J.: Predictive Modeling - equilibrium. Design Review on W7-X Data, Greifswald (2005)

Zarnstorff, M.; Weller, A.; Geiger, J.; Fredrickson, E.; Hudson, S.; Knauer, J.; Reiman, A.; Dinklage, A.; Fu, G.; Ku, L. et al.; Monticello, D.; Nührenberg, C.; Werner, A.; W7-AS Team; NBI-Group: Equilibrium and Stability of High-Beta Plasmas in Wendelstein 7-AS. 20th IAEA Fusion Energy Conference, Vilamoura (2004)

Geiger, J.: Analysis of diamagnetic measurements on W7-AS. 3rd Workshop on Fusion Data Processing, Validation and Analysis, Cadarache (2004)

Svensson, J.; Dinklage, A.; Fischer, R.; Geiger, J.: Integrated Measurements and Analysis in Fusion Plasmas. Institutskolloquium, Forschungszentrum Jülich (2004)

Geiger, J.; Weller, A.; Zarnstorff, M.; Nührenberg, C.; Werner, A.; Kolesnichenko, Y. I.; W7-AS Team, Max Planck Institute for Plasma Physics, Max Planck Society; NBI Group: Equilibrium and stability of high-ß plasmas in W7-AS. 14th International Stellarator Workshop, Greifswald (2003)

Weller, A.; Geiger, J.; Werner, A.; Zarnstorff, M. C.; Nührenberg, C.; Sallander, E.; Baldzuhn, J.; Brakel, R.; Burhenn, R.; Dinklage, A. et al.; Fredrickson, E.; Gadelmeier, F.; Giannone, L.; Grigull, P.; Hartmann, D.; Jaenicke, R.; Klose, S.; Knauer, J. P.; Könies, A.; Kolesnichenko, Y. I.; Laqua, H. P.; Lutsenko, V. V.; McCormick, K.; Monticello, D.; Osakabe, M.; Pasch, E.; Reiman, A.; Rust, N.; Spong, D. A.; Wagner, F.; Yakovenko, Y. V.; W7-AS Team; NBI-Group: Experiments close to the beta-limit in W7-AS. 30th EPS Conference on Controlled Fusion and Plasma Physics, St. Petersburg (2003)

Aleynikova, K.; Hudson, S. R.; Helander, P.; Gao, Y.; Geiger, J.; Loizu, J.; Nührenberg, C.; Thomsen, H.; Turkin, Y.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Taylor Relaxation in Wendelstein 7-X. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Gonzalez-Jerez, A.; Xanthopoulos, P.; Garcia-Regana, J. M.; Calvo, I.; Alcuson, J.; Banon Navarro, A.; Barnes, M.; Parra, F. I.; Geiger, J.: Electrostatic gyrokinetic simulations in Wendelstein 7-X geometry: benchmark between the codes stella and GENE. 19th European Fusion Theory Conference (EFTC 2021), Virtual (submitted)

Guerrero Arnaiz, J. F.; Dinklage, A.; Könies, A.; Nührenberg, C.; Pompe, B.; Zocco, A.; Hirsch, M.; Höfel, U.; Brandt, C.; Geiger, J. et al.; Rahbarnia, K.; Schilling, J.; Schmitt, J.; Thomsen, H.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Investigation of spontaneous transitions to high core-electron temperatures in W7-X low-iota plasmas. DPG-Frühjahrstagung der Fachverbände Physik der Hadronen und Kerne, Plasmaphysik und des Arbeitskreises Beschleunigerphysik , Mainz, Virtual (submitted)

Krämer-Flecken, A.; Andreeva, T.; Estrada, T.; Geiger, J.; Han, X.; Mendes, S.; Rahbarnia, K.; Trier, E.; Weir, G.; Windisch, T. et al.; Wurden, G.; Xiang, H.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Plasma current crashes and the associated dynamics of the 5/5-island chain in W7-X. 25th Joint EU-US Transport Task Force Meeting, Virtual (submitted)