Publications Prof. Dr. Per Helander

Bosch, H.-S.; Wolf, R.; Andreeva, T.; Baldzuhn, J.; Birus, D.; Bluhm, T.; Bräuer, T.; Braune, H.; Bykov, V.; Cardella, A. et al.; Durodie, F.; Endler, M.; Erckmann, V.; Gantenbein, G.; Hartmann, D.; Hathiramani, D.; Heimann, P.; Heinemann, B.; Hennig, C.; Hirsch, M.; Holtum, D.; Jagielski, J.; Jelonnek, J.; Kasparek, W.; Klinger, T.; König, R.; Kornejew, P.; Kroiss, H.; Krom, J. G.; Kühner, G.; Laqua, H.; Laqua, H. P.; Lechte, C.; Lewerentz, M.; Maier, J.; McNeely, P.; Messiaen, A.; Michel, G.; Ongena, J.; Peacock, A.; Pedersen, T. S.; Riedl, R.; Riemann, H.; Rong, P.; Rust, N.; Schacht, J.; Schauer, F.; Schroeder, R.; Schweer, B.; Spring, A.; Stäbler, A.; Thumm, M.; Turkin, Y.; Wegener, L.; Werner, A.; Zhang, D.; Zilker, M.; Akijama, T.; Alzbutas, R.; Ascasibar, E.; Balden, M.; Banduch, M.; Baylard, C.; Behr, W.; Beidler, C.; Benndorf, A.; Bergmann, T.; Biedermann, C.; Bieg, B.; Biel, W.; Borchardt, M.; Borowitz, G.; Borsuk, S.; Bozhenkov, S.; Brakel, R.; Brand, H.; Brown, T.; Brucker, B.; Burhenn, R.; Buscher, K. P.; Caldwell-Nichols, C.; Cappa, A.; Carls, A.; Carvalho, P.; Ciupinski, L.; Cole, M.; Collienne, J.; Czarnecka, A.; Czymek, G.; Dammertz, G.; Dhard, C. P.; Davydenko, V. I.; Dinklage, A.; Drevlak, M.; Drotziger, H.; Dudek, A.; Dumortier, P.; Dundulis, G.; Eeten, P. v.; Egorov, K.; Estrada, T.; Faugel, H.; Fellinger, J.; Feng, Y.; Fernandes, H.; Fietz, W.; Figacz, W.; Fischer, F.; Fontdecaba, J.; Freund, A.; Funaba, T.; Fünfgelder, H.; Galkowski, A.; Gates, D.; Giannone, L.; Gracia Regana, J. M.; Geiger, J.; Geißler, S.; Greuner, H.; Grahl, M.; Groß, S.; Grosman, A.; Grote, H.; Grulke, O.; Haas, M.; Haiduk, L.; Hartfuß, H. J.; Harris, J. H.; Haus, D.; Hein, B.; Heitzenroeder, P.; Helander, P.; Heller, R.; Hidalgo, C.; Hildebrandt, D.; Höhnle, H.; Holtz, A.; Holzhauer, E.; Holzthüm, R.; Huber, A.; Hunger, H.; Hurd, F.; Ihrke, M.; Illy, S.; Ivanov, A.; Jablonski, S.; Jaksic, N.; Jakubowski, M.; Jaspers, R.; Jensen, H.; Jenzsch, H.; Kacmarcczyk, J.; Kaliatk, T.; Kallmeyer, J.; Kamionka, U.; Karaleviciu, R.; Kern, S.; Keunecke, M.; Kleiber, R.; Knauer, J.; Koch, R.; Kocsis, G.; Könies, A.; Köppen, M.; Koslowski, R.; Koshurinov, J.; Krämer-Flecken, A.; Krampitz, R.; Kravtsov, Y.; Krychowiak, M.; Kresinski, G.; Ksiazek, I.; Kubkowaka, F.; Kus, A.; Langish, S.; Laube, R.; Laux, M.; Lazerson, S.; Lennartz, M.; Li, C.; Lietzow, R.; Lohs, A.; Lorenz, A.; Louche, F.; Lubyako, L.; Lumsdaine, A.; Lyssoivan, A.; Maaßberg, H.; Marek, P.; Martens, C.; Marushchenko, N.; Mayer, M.; Mendelevitch, B.; Mertens, P.; Mikkelsen, D.; Mishchenko, A.; Missal, B.; Mizuuchi, T.; Modrow, H.; Mönnich, T.; Morizaki, T.; Murakami, S.; Musielok, F.; Nagel, M.; Naujoks, D.; Neilson, H.; Neubauer, O.; Neuner, U.; Nocentini, R.; Noterdaeme, J. M.; Nührenberg, C.; Obermayer, S.; Offermanns, G.; Oosterbeeck, H.; Otte, M.; Panin, A.; Pap, M.; Paquay, S.; Pasch, E.; Peng, X.; Petrov, S.; Pilopp, D.; Pirsch, H.; Plaum, B.; Pompom, F.; Povilaitis, M.; Preinhaelter, J.; Prinz, O.; Purps, F.; Rajna, T.; Recsei, S.; Reiman, A.; Reiter, D.; Remmel, J.; Renard, S.; Rhode, V.; Riemann, J.; Rimkevicius, S.; Riße, K.; Rodatos, A.; Rodin, I.; Rome, M.; Roscher, H. J.; Rummel, K.; Rummel, T.; Runov, A.; Ryc, L.; Sachtleben, J.; Samartsev, A.; Sanchez, M.; Sano, F.; Scarabosio, A.; Schmid, M.; Schmitz, H.; Schmitz, O.; Schneider, M.; Schneider, W.; Scheibl, L.; Scholz, M.; Schröder, G.; Schruff, J.; Schumacher, H.; Shikhovtsev, I. V.; Shoji, M.; Siegl, G.; Skodzik, J.; Smirnov, M.; Speth, E.; Spong, D. A.; Stadler, R.; Sulek, Z.; Szabo, V.; Szabolics, T.; Szetefi, T.; Szökefalvi-Nagy, Z.; Tereshchenko, A.; Thomsen, H.; Timmermann, D.; Tittes, H.; Toi, K.; Tournianski, M.; Toussaint, U. v.; Tretter, J.; Tulipan, S.; Turba, P.; Uhlemann, R.; Urban, J.; Urbonavicius, E.; Urlings, P.; Valet, S.; Van Eester, D.; Van Schoor, M.; Vervier, M.; Viebke, H.; Vilbrandt, R.; Vrancken, M.; Wauters, T.; Weissgerber, M.; Weiß, E.; Weller, A.; Wendorf, J.; Wenzel, U.; Windisch, T.; Winkler, E.; Winkler, M.; Wolowski, J.; Wolters, J.; Wrochna, G.; Xanthopoulos, P.; Yamada, H.; Yokoyama, M.; Zacharias, D.; Zajac, J.; Zangl, G.; Zarnstorff, M.; Zeplien, H.; Zoletnik, S.; Zuin, M.: Technical challenges in the construction of the steady-state stellarator Wendelstein 7-X. Nuclear Fusion 53, 126001 (15pp) (2013)

Drevlak, M.; Brochard, F.; Helander, P.; Kisslinger, J.; Mikhailov, M.; Nührenberg, C.; Nührenberg, J.; Turkin, Y.: ESTELL: A Quasi-Toroidally Symmetric Stellarator. Contributions to Plasma Physics 53 (6), pp. 459 - 468 (2013)

Garcia-Regana, J.; Kleiber, R.; Beidler, C.; Maassberg, H.; Helander, P.; Turkin, Y.: On Neoclassical impurity transport in stellarator geometry. Plasma Physics and Controlled Fusion 55, 074008 (7pp) (2013)

Helander, P.; Newton, S.: Ideal magnetohydrodynamic stability of configurations without nested flux surfaces. Physics of Plasmas 20, 062504 (4pp) (2013)

Helander, P.; Proll, J. H. E.; Plunk, G. G.: Collisionless microinstabilities in stellarators I. Analytical theory of trapped-particle modes. Physics of Plasmas 20, 122505 (2013)

Klinger, T.; Baylard, C.; Beidler, C.; Boscary, J.; Bosch, H. S.; Dinklage, A.; Hartmann, D.; Helander, P.; Maaßberg, H.; Peacock, A. et al.; Pedersen, T. S.; Rummel, T.; Schauer, F.; Wegener, L.; Wolf, R.: Towards assembly completion and preparation of experimental campaigns of Wendelstein 7-X in the perspective of a path to a stellarator fusion power plant. Fusion Engineering and Design 88 (6-8), pp. 461 - 465 (2013)

Proll, J.; Helander, P.; Xanthopoulos, P.; Plunk, G.; Connor, J.: Enhanced microstability in quasi-isodynamic stellarators. Stellarator News (142), pp. 1 - 3 (2013)

Proll, J. H. E.; Xanthopoulos, P.; Helander, P.: Collisionless microinstabilities in stellarators II. Numerical simulations. Physics of Plasmas 20, 122506 (14pp) (2013)

Smith, H. M.; Boozer, A.; Helander, P.: Passive runaway electron suppression in tokamak disruptions. Physics of Plasmas 20, 072505 (8pp) (2013)

Proll, J.; Helander, P.; Xanthopoulos, P.: Gyrokinetic microinstability calculations in Wendelstein 7-X and other quasi-isodynamic stellarators. 15th European Fusion Theory Conference, Oxford (2013)

Garcia-Regana, J. M.; Turkin, Y.; Kleiber, R.; Beidler, C. D.; Helander, P.; Velasco, J. L.; Tribaldos, V.; Alonso, A.; Maaßberg, H.; Arevalo, J.: Electrostatic potential variation within flux surfaces and its impact on impurity transport in stellarators. Joint 19th International Stellarator/Heliotron Workshop (ISHW) and 16th IEA-Reversed Field Pinch (RFP) Workshop, Padova (2013)

Helander, P.; Proll, J.; Xanthopoulos, P.: On trapped-particle instabilities in optimised stellarators. Joint 19th International Stellarator/Heliotron Workshop (ISHW) and 16th IEA-Reversed Field Pinch (RFP) Workshop, Padova (2013)

Proll, J.; Helander, P.; Xanthopoulos, P.: Gyrokinetic microinstability calculations in Wendelstein 7-X and other quasi-isodynamic stellarators. HEPP Colloquium 2013, Strausberg (2013)

Xanthopoulos, P.; Görler, T.; Helander, P.; Jenko, F.; Told, D.; Turkin, Y.: Properties and scaling of gyrokinetic ITG turbulence in stellarator configurations. Joint 19th International Stellarator/Heliotron Workshop (ISHW) and 16th IEA-Reversed Field Pinch (RFP) Workshop, Padova (2013)

Helander, P.: Neoclassical transport in tokamak plasmas. 11th Carolus Magnus Summer School on Plasma and Fusion Energy Physics, Bad Honnef (2013)

Helander, P.: Classical transport in plasmas. 11th Carolus Magnus Summer School on Plasma and Fusion Energy Physics, Bad Honnef (2013)

Helander, P.: Recent Developments in Stellarator Theory. 2013 International Sherwood Fusion Theory Conference, Santa Fe, NM (2013)

Helander, P.: Kinetic Theory of Plasma Confinement in Stellarators. Stability, Energetics and Turbulent Transport in Astrophysical Fusion and Solar Plasmas, Princeton Center for Theoretical Science, Princeton, NJ (2013)

Plunk, G.; Helander, P.: Magnetic-field geometry and magnetized plasma turbulence. Stability, Energetics and Turbulent Transport in Astrophysical Fusion and Solar Plasmas, Princeton Center for Theoretical Science, Princeton, NJ (2013)

Smith, H.; Boozer, A.; Helander, P.: Passive runaway electron mitigation. 1st Chalmers Meeting on Runaway Electron Modeling (REM), Göteborg (2013)