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Journal Article (124)

21.
Journal Article
Plunk, G. G.; Landreman, M.; Helander, P.: Direct construction of optimized stellarator shapes. Part 3. Omnigenity near the magnetic axis. Journal of Plasma Physics 85 (6), 905850602 (2019)
22.
Journal Article
Wolf, R. C.; Alonso, A.; Äkäslompolo, S.; Baldzuhn, J.; Beurskens, M.; Beidler, C. D.; Biedermann, C.; Bosch, H.-S.; Bozhenkov, S.; Brakel, R. et al.; Braune, H.; Brezinsek, S.; Brunner, K.-J.; Damm, H.; Dinklage, A.; Drewelow, P.; Effenberg, F.; Feng, Y.; Ford, O.; Fuchert, G.; Gao, Y.; Geiger, J.; Grulke, O.; Harder, N. d.; Hartmann, D.; Helander, P.; Heinemann, B.; Hirsch, M.; Höfel, U.; Hopf, C.; Ida, K.; Isobe, M.; Jakubowski, M. W.; Kazakov, Y. O.; Killer, C.; Klinger, T.; Knauer, J.; König, R.; Krychowiak, M.; Langenberg, A.; Laqua, H. P.; Lazerson, S.; McNeely, P.; Marsen, S.; Marushchenko, N. B.; Nocentini, R.; Ogawa, K.; Orozco, G.; Osakabe, M.; Otte, M.; Pablant, N.; Pasch, E.; Pavone, A.; Porkolab, M.; Puig Sitjes, A.; Rahbarnia, K.; Riedl, R.; Rust, N.; Scott, E.; Schilling, J.; Schroeder, R.; Stange, T.; Stechow, A. v.; Strumberger, E.; Pedersen, T. S.; Svensson, J.; Thomson, H.; Turkin, Y.; Vano, L.; Wauters, T.; Wurden, G.; Yoshinuma, M.; Zanini, M.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Performance of Wendelstein 7-X stellarator plasmas during the first divertor operation phase. Physics of Plasmas 26, 082504 (2019)
23.
Journal Article
Aleynikova, K.; Zocco, A.; Xanthopoulos, P.; Helander, P.; Nührenberg, C.: Kinetic ballooning modes in tokamaks and stellarators. Journal of Plasma Physics 84 (6), 745840602 (2018)
24.
Journal Article
Buller, S.; Smith, H. M.; Helander, P.; Mollen, A.; Newton, S. L.; Pusztai, I.: Collisional transport of impurities with flux-surface varying density in stellarators. Journal of Plasma Physics 84 (4), 905840409 (2018)
25.
Journal Article
Denk, S. S.; Fischer, R.; Smith, H. M.; Helander, P.; Maj, O.; Poli, E.; Stober, J.; Stroth, U.; Suttrop, W.; Westerhof, E. et al.; Willensdorfer, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Analysis of electron cyclotron emission with extended electron cyclotron forward modeling. Plasma Physics and Controlled Fusion 60, 105010 (2018)
26.
Journal Article
Dinklage, A.; Beidler, C. D.; Helander, P.; Fuchert, G.; Maaßberg, H.; Rahbarnia, K.; Pedersen, T. S.; Turkin, Y.; Wolf, R. C.; Alonso, A. et al.; Andreeva, T.; Blackwell, B.; Bozhenkov, S.; Buttenschön, B.; Czarnecka, A.; Effenberg, F.; Feng, Y.; Geiger, J.; Hirsch, M.; Höfel, U.; Jakubowski, M.; Klinger, T.; Knauer, J.; Kocsis, G.; Krämer-Flecken, A.; Kubkowska, M.; Langenberg, A.; Laqua, H. P.; Marushchenko, N.; Mollen, A.; Neuner, U.; Niemann, H.; Pasch, E.; Pablant, N.; Rudischhauser, L.; Smith, H. M.; Schmitz, O.; Stange, T.; Szepesi, T.; Weir, G.; Windisch, T.; Wurden, G. A.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Magnetic configuration effects on the Wendelstein 7-X stellarator. Nature Physics 14, pp. 855 - 860 (2018)
27.
Journal Article
Helander, P.: Corrigendum: Theory of plasma confinement in non-axisymmetric magnetic fields (2014 Rep. Prog. Phys. 77 087001). Reports on Progress in Physics 81, 099501 (2018)
28.
Journal Article
Helander, P.; Zocco, A.: Quasilinear particle transport from gyrokinetic instabilities in general magnetic geometry. Plasma Physics and Controlled Fusion 60, 084006 (2018)
29.
Journal Article
Kennedy, D.; Mishchenko, A.; Xanthopoulos, P.; Helander, P.: Linear electrostatic gyrokinetics for electron-positron plasmas. Journal of Plasma Physics 84 (6), 905840606 (2018)
30.
Journal Article
Laqua, H. P.; Moseev, D.; Helander, P.; Aleynikov, P.; Marsen, S.; Marushchenko, N. B.; Stange, T.: Generation of electrostatic oscillations in the ion cyclotron frequency range by modulated ECRH. Nuclear Fusion 58, 104003 (2018)
31.
Journal Article
Mishchenko, A.; Plunk, G. G.; Helander, P.: Electrostatic stability of electron-positron plasmas in dipole geometry. Journal of Plasma Physics 84 (2), 905840201 (2018)
32.
Journal Article
Mishchenko, A.; Zocco, A.; Helander, P.; Könies, A.: Gyrokinetic stability of electron-positron-ion plasmas. Journal of Plasma Physics 84 (1), 905840116 (2018)
33.
Journal Article
Plunk, G. G.; Helander, P.: Quasi-axisymmetric magnetic fields: weakly non-axisymmetric case in a vacuum. Journal of Plasma Physics 84 (2), 905840205 (2018)
34.
Journal Article
Zocco, A.; Xanthopoulos, P.; Doerk, H.; Connor, J. W.; Helander, P.: Threshold for the destabilisation of the ion-temperature-gradient mode in magnetically confined toroidal plasmas. Journal of Plasma Physics 84 (1), 715840101 (2018)
35.
Journal Article
Connor, J. W.; Hastie, R. J.; Helander, P.: Neoclassical, semi-collisional tearing mode theory in an axisymmetric torus. Journal of Plasma Physics 83 (6), 905830608 (2017)
36.
Journal Article
Garcia-Regana, J. M.; Beidler, C. D.; Kleiber, R.; Helander, P.; Mollen, A.; Alonso, J. A.; Landreman, M.; Maaßberg, H.; Smith, H. M.; Turkin, Y. et al.; Velasco, J. L.: Electrostatic potential variation on the flux surface and its impact on impurity transport. Nuclear Fusion 57, 056004 (2017)
37.
Journal Article
Helander, P.: Available energy and ground states of collisionless plasmas. Journal of Plasma Physics 83 (4), 715830401 (2017)
38.
Journal Article
Helander, P.; Newton, S. .; Mollen, A.; Smith, H. M.: Impurity Transport in a Mixed-Collisionality Stellarator Plasma. Physical Review Letters 118, 155002 (2017)
39.
Journal Article
Helander, P.; Parra, F. I.; Newton, S. L.: Stellarator bootstrap current and plasma flow velocity at low collisionality. Journal of Plasma Physics 83 (2), 905830206 (2017)
40.
Journal Article
Helander, P.; Proll, J. H. E.; Plunk, G. G.: Erratum: "Collisionless microinstabilities in stellarators. I. Analytical theory of trapped-particle modes" [Phys. Plasmas 20, 122505 (2013)]. Physics of Plasmas 24, 039901 (2017)
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