Publications of J. Geiger

Drevlak, M.; Beidler, C. D.; Geiger, J.; Helander, P.; Henneberg, S.; Nührenberg, C.; Turkin, Y.: New results in stellarator optimisation. In: 27th IAEA Fusion Energy Conference, TH/P1-1. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (Ahmedabad), October 22, 2018 - October 27, 2018. International Atomic Energy Agency, Vienna (2019)

Effenberg, F.; Brezinsek, S.; Feng, Y.; Jakubowski, M. W.; König, R.; Krychowiak, M.; Schmitz, O.; Suzuki, Y.; Zhang, D.; Ali, A. et al.; Barbui, T.; Biedermann, C.; Blackwell, D. B.; Burhenn, R.; Cseh, G.; Dittmar, T.; Drewelow, P.; Endler, M.; Frerichs, H.; Gao, Y.; Geiger, J.; Hammond, K.; Killer, C.; Kocsis, G.; Lore, J. D.; Niemann, H.; Otte, M.; Puig Sitjes, A.; Rudischhauser, L.; Schmitt, J. C.; Pedersen, T. S.; Szepesi, T.; Wenzel, U.; Winters, V.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Demonstration of Power Exhaust Control by Impurity Seeding in the Island Divertor at Wendelstein 7-X. In: 27th IAEA Fusion Energy Conference, EX/9-2. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (Ahmedabad), October 22, 2018 - October 27, 2018. International Atomic Energy Agency, Vienna (2019)

Knieps, A.; Liang, Y.; Suzuki, Y.; Drews, P.; Geiger, J.; Höschen, D.; Killer, C.; Grulke, O.; Hollfeld, K.-P.; Huang, Z. et al.; Krings, T.; Liu, S.; Nicolai, D.; Offermanns, G.; Rahbarnia, K.; Satheeswaran, G.; Schweer, B.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Impact of plasma pressure on the edge magnetic field of Wendelstein 7-X. In: 46th EPS Conference on Plasma Physics, P2.1060 (Eds. Riconda, C.; Brezinsek, S.; McCarty, K.; Lancaster, K.; Burgess, D. et al.). 46th EPS Conference on Plasma Physics, Milan, July 08, 2019 - July 12, 2019. European Physical Society, Geneva (2019)

Krämer-Flecken, A.; Anda, G.; Dunai, D.; Fuchert, G.; Geiger, J.; Grulke, O.; Han, X.; Otte, M.; Trier, E.; Vecsei, M. et al.; Windisch, T.; Zoletnik, S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Effects of the magnetic topology on turbulence in the SOL and plasma edge of W7-X. In: Proceedings of the 14th International Reflectometry Workshop for Fusion Plasma Diagnostics (IRW14), O.310 (Ed. Conway, G. D.). 14th International Reflectometry Workshop for Fusion Plasma Diagnostics (IRW14), Lausanne, May 22, 2019 - May 24, 2019. (2019)

Li, Y.; Henkel, M.; Liang, Y.; Knieps, A.; Drews, P.; Killer, C.; Nicolai, D.; Cosfeld, J.; Geiger, J.; Feng, Y. et al.; Effenberg, F.; Zhang, D.; Hacker, P.; Höschen, D.; Satheeswaran, G.; Liu, S.; Grulke, O.; Jakubowski, M.; Brezinsek, S.; Otte, M.; Neubauer, O.; Schweer, B.; Xu, G. S.; Cai, J.; Huang, Z.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Measurement of edge ion temperature in W7-X with island divertor by a retarding field analyzer probe. In: 46th EPS Conference on Plasma Physics, P5.1053 (Eds. Riconda, C.; Brezinsek, S.; McCarty, K.; Lancaster, K.; Burgess, D. et al.). 46th EPS Conference on Plasma Physics, Milan, July 08, 2019 - July 12, 2019. European Physical Society, Geneva (2019)

Liu, S. C.; Liang, Y.; Drews, P.; Killer, C.; Knieps, A.; Xu, G. S.; Wang, H. Q.; Wu, X. Q.; Han, X.; Höschen, D. et al.; Krämer-Flecken, A.; Nicolai, D.; Satheeswaran, G.; Alonso, A.; Cai, J. Q.; Charl, A.; Cosfeld, J.; Fuchert, G.; Gao, Y.; Geiger, J.; Grulke, O.; Henkel, M.; Hirsch, M.; Höfel, U.; Jakubowski, M.; König, R.; Neubauer, O.; Pasch, E.; Rahbarnia, K.; Rack, M.; Sandri, N.; Sereda, S.; Schweer, B.; Wang, E. H.; Wei, Y. L.; Weir, G.; Windisch, T.; Xu, S.; Gao, X.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: The effects of magnetic topology on the SOL island structure and turbulence transport in the first divertor plasma operation of W7-X. In: 27th IAEA Fusion Energy Conference, EX/P8-15. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (Ahmedabad), October 22, 2018 - October 27, 2018. International Atomic Energy Agency, Vienna (2019)

Lore, J. D.; Harris, J.; Lumsdaine, A.; Gao, Y.; Geiger, J.; Hölbe, H.; Niemann, H.; Jakubowski, M.; Drewelow, P.; Ali, A. et al.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society; Boscary, J.; Frerichs, H.; Barbui, T.; Effenberg, F.; Wurden, G. A.; LeViness, A.; Lazerson, S.: Measurement and Modeling of Magnetic Configurations to Mimic Overload Scenarios in the W7-X Stellarator. In: 27th IAEA Fusion Energy Conference, EX/P8-19. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (Ahmedabad), October 22, 2018 - October 27, 2018. International Atomic Energy Agency, Vienna (2019)

Neuner, U.; Rahbarnia, K.; Andreeva, T.; Schilling, J.; Thomsen, H.; Turkin, Y.; Dinklage, A.; Beurskens, M.; Bozhenkov, S.; Damm, H. et al.; Fuchert, G.; Pasch, E.; Langenberg, A.; Pablant, N.; Krychowiak, M.; Pavone, A.; Svensson, J.; Hergenhahn, U.; Höfel, U.; Kwak, S.; Geiger, J.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Dependence of the intrinsic toroidal current on heating power and density in the W7-X stellarator. In: 46th EPS Conference on Plasma Physics, P2.1065 (Eds. Riconda, C.; Brezinsek, S.; McCarty, K.; Lancaster, K.; Burgess, D. et al.). 46th EPS Conference on Plasma Physics, Milan, July 08, 2019 - July 12, 2019. European Physical Society, Geneva (2019)

Pablant, N.; Langenberg, A.; Alonso, A.; Baldzuhn, J.; Beidler, C. D.; Böttger, L. G.; Bozhenkov, S.; Burhenn, R.; Brunner, K. J.; Dinklage, A. et al.; Fuchert, G.; Ford, O.; Gates, D. A.; Geiger, J.; Grulke, O.; Hirsch, M.; Höfel, U.; Huang, Z.; Kazakov, Y.; Knauer, J.; Krychowiak, M.; Kring, J.; Laqua, H.; Landreman, M.; Lazerson, S.; Maaßberg, H.; Marchuck, O.; Mollen, A.; Pasch, E.; Pavone, A.; Porkolab, M.; Satake, S.; Schröder, T.; Smith, H.; Svensson, J.; Traverso, P.; Turkin, Y.; Velasco, J.L.; Stechow, A. v.; Warmer, F.; Weir, G.; Wolf, R. C.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Investigations of the role of neoclassical transport in ion-root plasmas on W7-X. In: 27th IAEA Fusion Energy Conference, EX/P8-31. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (Ahmedabad), October 22, 2018 - October 27, 2018. International Atomic Energy Agency, Vienna (2019)

Pedersen, T. S.; König, R.; Jakubowski, M.; Feng, Y.; Ali, A.; Anda, G.; Baldzuhn, J.; Barbui, T.; Biedermann, C.; Blackwell, B. et al.; Bosch, H.-S.; Bozhenkov, S.; Brakel, R.; Brezinsek, S.; Cai, J.; Coenen, J. W.; Cosfeld, J.; Dinklage, A.; Dittmar, T.; Drewelow, P.; Drews, P.; Dunai, D.; Effenberg, F.; Endler, M.; Fellinger, J.; Ford, O.; Frerichs, H.; Fuchert, G.; Geiger, J.; Gao, Y.; Goriaev, A.; Henkel, M.; Hammond, K.; Harris, J.; Hathiramani, D.; Henkel, M.; Hölbe, H.; Kazakov, Y.; Killer, C.; Kirschner, A.; Knieps, A.; Kobayashi, M.; Kornejew, P.; Krychowiak, M.; Kocsis, G.; Lazerzon, S.; Li, C.; Li, Y.; Liang, Y.; Liu, S.; Lore, J.; Masuzaki, S.; Moncada, V.; Neubauer, O.; Ngo, T. T.; Niemann, H.; Oelmann, J.; Otte, M.; Perseo, V.; Pisano, F.; Puig Sitjes, A.; Rack, M.; Rasinski, M.; Romazanov, J.; Rudischhauser, L.; Schmitt, J. C.; Schlisio, G.; Schmitz, O.; Schweer, B.; Sereda, S.; Szepesi, T.; Suzuki, Y.; Wang, E.; Wei, Y.; Wenzel, U.; Wiesen, S.; Winters, V.; Wang, E.; Wauters, T.; Wurden, G. A.; Zhang, D.; Zoletnik, S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: First Divertor Physics Studies in Wendelstein 7-X. In: 27th IAEA Fusion Energy Conference, EX/9-1. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (Ahmedabad), October 22, 2018 - October 27, 2018. International Atomic Energy Agency, Vienna (2019)

Wurden, G. A.; Andreeva, T.; Ballinger, S.; Bozhenkov, S.; Brandt, C.; Buttenschoen, B.; Damm, H.; Endler, M.; Freundt, S.; Geiger, J. et al.; Hammond, K.; Hirsch, M.; Höfel, U.; Killer, C.; Kocsis, G.; Kornejew, P.; Krämer-Flecken, A.; Krychowiak, M.; Lazerson, S.; Rahbarnia, K.; Schilling, J.; Szepesi, T.; Thomsen, H.; Winters, V.; Zoletnik, S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Structure of island localized modes in Wendelstein 7-X. In: 46th EPS Conference on Plasma Physics, P2.1068 (Eds. Riconda, C.; Brezinsek, S.; McCarty, K.; Lancaster, K.; Burgess, D. et al.). 46th EPS Conference on Plasma Physics, Milan, July 08, 2019 - July 12, 2019. European Physical Society, Geneva (2019)

Effenberg, F.; Feng, Y.; Schmitz, O.; Bozhenkov, S. A.; Frerichs, H.; Geiger, J.; Hölbe, H.; Jakubowski, M.; König, R.; Krychowiak, M. et al.; Niemann, H.; Pedersen, T. S.; Reiter, D.; Stephey, L.; Wurden, G. A.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: 3-D Modeling of Heat Transport in Wendelstein 7-X Startup Plasmas with EMC3-EIRENE. In: 26th IAEA Fusion Energy Conference, TH/P6-11. 26th IAEA Fusion Energy Conference (FEC 2016), Kyoto, October 17, 2016 - October 22, 2016. International Atomic Energy Agency, Vienna (2018)

Geiger, J.; Beidler, C. D.; Feng, Y.; Helander, P.; Hölbe, H.; Maassberg, H.; Suzuki, Y.; Turkin, Y.: Plasma Effects in Full-Field MHD-Equilibrium Calculations for W7-X. In: 26th IAEA Fusion Energy Conference, TH/P1-1. 26th IAEA Fusion Energy Conference (FEC 2016), Kyoto, October 17, 2016 - October 22, 2016. International Atomic Energy Agency, Vienna (2018)

Han, X.; Krämer-Flecken, A.; Nührenberg, C.; Windisch, T.; Fuchert, G.; Geiger, J.; Grulke, O.; Liu, S.; Rahbarnia, K.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Experimental characterization of a quasi-coherent turbulence structure in the edge plasmas in W7-X. In: 45th EPS Conference on Plasma Physics, P2.1105. 45th EPS Conference on Plasma Physics, Prague, July 02, 2018 - July 06, 2018. European Physical Society, Geneva (2018)

Knieps, A.; Liang, Y.; Drews, P.; Höschen, D.; Suzuki, Y.; Geiger, J.; Killer, C.; Grulke, O.; Hollfeld, K.-P.; Krings, T. et al.; Liu, S.; Nicolai, D.; Offermanns, G.; Rahbarnia, K.; Satheeswaran, G.; Schweer, B.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Investigating the outer magnetic field of Wendelstein 7-X using the magnetic probe. In: 45th EPS Conference on Plasma Physics, P2.1034. 45th EPS Conference on Plasma Physics, Prague, July 02, 2018 - July 06, 2018. European Physical Society, Geneva (2018)

Lazerson, S.; Otte, M.; Jakubowski, M.; Israeli, B.; Wurden, G. A.; Wenzel, U.; Andreeva, T.; Bozhenkov, S.; Biedermann, C.; Kocsis, G. et al.; Szepesi, T.; Geiger, J.; Pedersen, T. S.; Gates, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Error field measurement, correction and heat flux balancing on Wendelstein 7-X. In: 26th IAEA Fusion Energy Conference, EX/P5-5. 26th IAEA Fusion Energy Conference (FEC 2016), Kyoto, October 17, 2016 - October 22, 2016. International Atomic Energy Agency, Vienna (2018)

Lore, J. D.; Gao, Y.; Niemann, H.; Barbui, T.; Drewelow, P.; Wurden, G.; Geiger, J.; Jakubowski, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Comparison of experimental and predicted divertor fluxes in W7-X scraper element mimic scenarios. In: 45th EPS Conference on Plasma Physics, P4.1023. 45th EPS Conference on Plasma Physics, Prague, July 02, 2018 - July 06, 2018. European Physical Society, Geneva (2018)

Pablant, N. A.; Langenberg, A.; Alonso, A.; Baldzuhn, J.; Beidler, C. D.; Bitter, M.; Bozhenkov, S.; Brunner, K. J.; Burhenn, R.; Dinklage, A. et al.; Fuchert, G.; Gates, D. A.; Geiger, J.; Hill, K. W.; Hirsch, M.; Hoefel, U.; Kazakov, Y.; Knauer, J.; Laqua, H. P.; Landreman, M.; Lazerson, S.; Maassberg, H.; Marchuk, O.; Pasch, E.; Pavone, A.; Satake, S.; Schroeder, T.; Svensson, J.; Traverso, P.; Turkin, Y.; Velasco, J. L.; Stechow, A. v.; Warmer, F.; Weir, G.; Wolf, R. C.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Dependence of the Core Radial Electric Field on Ion and Electron Temperature in W7-X. In: 45th EPS Conference on Plasma Physics, P2.1102. 45th EPS Conference on Plasma Physics, Prague, July 02, 2018 - July 06, 2018. European Physical Society, Geneva (2018)

Pablant, N.; Langenberg, A.; Marchuk, O.; Alonso, A.; Beidler, C. D.; Bitter, M.; Bozhenkov, S.; Burhenn, R.; Delgado-Aparicio, L.; Dinklage, A. et al.; Fuchert, G.; Gates, D.; Geiger, J.; Hill, K. W.; Hoefel, U.; Hirsch, M.; Knauer, J.; Krämer-Flecken, A.; Landreman, M.; Lazerson, S.; Maassberg, H.; Massidda, S.; Neilson, G. H.; Pasch, E.; Svensson, J.; Traverso, P.; Turkin, Y.; Valson, P.; Velasco, J.L.; Weir, G.; Windisch, T.; Wolf, R. C.; Yokoyama, M.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Investigation of initial plasma parameters on the Wendelstein 7-X stellarator using the x-ray imaging crystal spectrometer. In: 26th IAEA Fusion Energy Conference, EX/5-6. 26th IAEA Fusion Energy Conference (FEC 2016), Kyoto, October 17, 2016 - October 22, 2016. International Atomic Energy Agency, Vienna (2018)

Sanchez, R.; Peraza-Rodriguez, H.; Reynolds-Barredo, J. M.; Tribaldos, V.; Geiger, J.: Application of the free-boundary SIESTA MHD equilibrium code to bootstrap control scenarios in the W7-X stellarator. In: 45th EPS Conference on Plasma Physics, P2.1051. 45th EPS Conference on Plasma Physics, Prague, July 02, 2018 - July 06, 2018. European Physical Society, Geneva (2018)