Publications of J. Geiger

Turkin, Y.; Beidler, C. D.; Dinklage, A.; Geiger, J.; Maassberg, H.; Marushchenko, N. B.; W7-X Team: Transport simulations for W7-X. Stellarator News, pp. 4 - 8 (2007)

Dinklage, A.; Geiger, J.; Kühner, G.; Schmidt, M.; Turkin, Y. A.; Werner, A.: A magnetic configuration database for Wendelstein 7-X and its application programming interface. Fusion Engineering and Design 81, pp. 1969 - 1973 (2006)

Isaev, M. Y.; Brunner, S.; Cooper, W. A.; Tran, T. M.; Bergmann, A.; Beidler, C. D.; Geiger, J.; Maassberg, H.; Nührenberg, J.; Schmidt, M.: Venus+δf - A Bootstrap Current Calculation Module for 3D Configurations. Fusion Science and Technology 50, pp. 440 - 446 (2006)

Kolesnichenko, Y. I.; Lutsenko, V.; Tykhyy, A. V.; Weller, A.; Werner, A.; Wobig, H.; Geiger, J.: Effects of the Radial Electric Field on the Confinement of Trapped Fast Ions in Wendelstein 7-X and Helias Reactor. Physics of Plasmas 13, 072504 (2006)

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. Nuclear Fusion 46, pp. 753 - 769 (2006)

Turkin, Y.; Maaßberg, H.; Beidler, C. D.; Geiger, J.; Marushchenko, N. B.: Current Control by ECCD for W7-X. Fusion Science and Technology 50, pp. 387 - 394 (2006)

Turkin, Y.; Maassberg, H.; Beidler, C. D.; Geiger, J.; Marushchenko, N. B.: Optimization of ECE Diagnostics for the W7-X Stellarator. Fusion Science and Technology 50, pp. 387 - 394 (2006)

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. Fusion Science and Technology 50, pp. 158 - 170 (2006)

Airila, M. I.; Dumbrajs, O.; Hirsch, M.; Geiger, J.; Neuner, U.; Hartfuss, H.-J.: Sightline optimization of the multichannel laser interferometer for W7-X. Review of Scientific Instruments 76, 023501 (2005)

Kolesnichenko, Y. I.; Yakovenko, Y. V.; Weller, A.; Werner, A.; Geiger, J.; Lutsenko, V. V.; Zegenhagen, S.: Novel Mechanism of Anomalous Electron Heat Conductivity and Thermal Crashes during Alfvénic Activity in the Wendelstein 7-AS Stellarator. Physical Review Letters 94, 165004 (2005)

Maassberg, H.; Rome, M.; Erckmann, V.; Geiger, J.; Laqua, H. P.; Marushchenko, N. B.; W7-AS Team: Electron cyclotron current drive in the Wendelstein 7-AS stellarator. Plasma Physics and Controlled Fusion 47, pp. 1137 - 1163 (2005)

Wagner, F.; Baeumel, S.; Baldzuhn, J.; Basse, N.; Brakel, R.; Burhenn, R.; Dinklage, A.; Dorst, D.; Ehmler, H.; Endler, M. et al.; Erckmann, V.; Feng, Y.; Gadelmeier, F.; Geiger, J.; Giannone, L.; Grigull, P.; Hartfuss, H.-J.; Hartmann, D.; Hildebrandt, D.; Hirsch, M.; Holzhauer, E.; Igitkhanov, Y.; Jaenicke, R.; Kick, M.; Kislyakov, A.; Kisslinger, J.; Klinger, T.; Klose, S.; Knauer, J. P.; König, R.; Kühner, G.; Laqua, H. P.; Maassberg, H.; McCormick, K.; Niedermeyer, H.; Nührenberg, C.; Pasch, E.; Ramasubramanian, N.; Ruhs, N.; Rust, N.; Sallander, E.; Sardei, F.; Schubert, M.; Speth, E.; Thomsen, H.; Volpe, F.; Weller, A.; Werner, A.; Wobig, H.; Würsching, E.; Zarnstorff, M.; Zoletnik, S.: W7-AS: One step of the Wendelstein stellarator line. Physics of Plasmas 12, 072509 (2005)

Sengupta, A.; McCarthy, P. J.; Geiger, J.; Werner, A.: Fast recovery of vacuum magnetic configuration of W7-X stellarator using function parametrization and artifical neural networks. Nuclear Fusion 44, pp. 1176 - 1188 (2004)

Svensson, J.; Dinklage, A.; Geiger, J.; Fischer, R.; Werner, A.: Integrating diagnostic DATA analyses for W7-AS using Bayesian graphical models. Review of Scientific Instruments 75, pp. 4219 - 4221 (2004)

Svensson, J.; Dinklage, A.; Geiger, J.; Werner, A.; Fischer, R.: Integrating diagnostic data analysis for W7-AS using bayesian graphical models. Review of Scientific Instruments 75, pp. 4219 - 4221 (2004)

Svensson, J.; Dinklage, A.; Geiger, J.; Werner, A.; Fischer, R.: Integrating diagnostic data analysis for W7-AS using Bayesian graphical models. Review of Scientific Instruments 75, pp. 4219 - 4221 (2004)

Svensson, J.; Dinklage, A.; Geiger, J.; Werner, A.; Fischer, R.: Integrating diagnostic data analysis for W7-AS using Bayesian graphical models. Review of Scientific Instruments 75, pp. 4219 - 4221 (2004)

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. Invited papers from the 30th European Physical Society Conference on Controlled Fusion and Plasma Physics, pp. A285 - A308 (2003)

Jaenicke, R.; Bäumel, S.; Baldzuhn, J.; Brakel, R.; Burhenn, R.; Ehmler, H.; Endler, M.; Erckmann, V.; Feng, Y.; Gadelmeier, F. et al.; Geiger, J.; Giannone, L.; Grigull, P.; Hartfuß, H.-J.; Hartmann, D.; Hildebrandt, D.; Hirsch, M.; Holzhauer, E.; Kick, M.; Kisslinger, J.; Klinger, T.; Klose, S.; Knauer, J.; König, R.; Kühner, G.; Laqua, H.; Maaßberg, H.; McCormick, K.; Narayanan, R.; Niedermeyer, H.; Pasch, E.; Ruhs, N.; Rust, N.; Saffert, J.; Sardei, F.; Schneider, F.; Schubert, M.; Speth, E.; Wagner, F.; Weller, A.; Wenzel, U.; Werner, A.; Würsching, E.: A new quasi-stationary, very high density plasma regime on the W7-AS stellarator. Plasma Physics and Controlled Fusion 44 (Suppl. 12B), pp. B193 - B205 (2002)

Erckmann, V.; Laqua, H. P.; Maaßberg, H.; Geiger, J.; Dammertz, G.; Kasparek, W.; Thumm, M.; W7-X Team; W7-AS Team; W7-X Team (FZ Karlsruhe) et al.; W7-X Team (IPF Stuttgart): Electron cyclotron resonance heating and EC-current drive experiments at W7-AS, status at W7-X. Fusion Engineering and Design 53, pp. 365 - 375 (2001)