Publikationen von P. Helander

Zeitschriftenartikel (165)

21.
Zeitschriftenartikel
Mishchenko, A.; Kennedy, D.; Helander, P.; Könies, A.; Plunk, G.; Xanthopoulos, P.; Zocco, A.: Gyrokinetic applications in electron–positron and non-neutral plasmas. Journal of Plasma Physics 89 (4), 935890403 (2023)
22.
Zeitschriftenartikel
Plunk, G. G.; Helander, P.: Energetic bounds on gyrokinetic instabilities. Part 3. Generalized free energy. Journal of Plasma Physics 89 (4), 905890419 (2023)
23.
Zeitschriftenartikel
Vallhagen, O.; Pusztai, I.; Helander, P.; Newton, S. L.; Fülöp, T.: Drift of ablated material after pellet injection in a tokamak. Journal of Plasma Physics 89 (3), 905890306 (2023)
24.
Zeitschriftenartikel
Helander, P.; Hudson, S. R.; Paul, E. J.: On heat conduction in an irregular magnetic field. Part 1. Journal of Plasma Physics 88 (1), 905880122 (2022)
25.
Zeitschriftenartikel
Helander, P.; Plunk, G. G.: Energetic bounds on gyrokinetic instabilities. Part 1. Fundamentals. Journal of Plasma Physics 88 (1), 905880207 (2022)
26.
Zeitschriftenartikel
Jorge, R.; Plunk, G. G.; Drevlak, M.; Landreman, M.; Lobsien, J.-F.; Camacho Mata, K.; Helander, P.: A single-field-period quasi-isodynamic stellarator. Journal of Plasma Physics 88 (5), 175880504 (2022)
27.
Zeitschriftenartikel
Mackenbach, R. J. J.; Proll, J. H. E.; Helander, P.: Available Energy of Trapped Electrons and its Relation to Turbulent Transport. Physical Review Letters 128 (18), 175001 (2022)
28.
Zeitschriftenartikel
Paul, E. J.; Hudson, S. R.; Helander, P.: Heat conduction in an irregular magnetic field. Part 2. Heat transport as a measure of the effective non-integrable volume. Journal of Plasma Physics 88 (1), 905880107 (2022)
29.
Zeitschriftenartikel
Pedersen, T. S.; Abramovic, I.; Agostinetti, P.; Agredano Torres, M.; Äkäslompolo, S.; Alcuson Belloso, J.; Aleynikov, P.; Aleynikova, K.; Alhashimi, M.; Ali, A. et al.: Experimental confirmation of efficient island divertor operation and successful neoclassical transport optimization in Wendelstein 7-X. Nuclear Fusion 62, 042022 (2022)
30.
Zeitschriftenartikel
Plunk, G. G.; Helander, P.: Energetic bounds on gyrokinetic instabilities. Part 2. Modes of optimal growth. Journal of Plasma Physics 88 (3), 905880313 (2022)
31.
Zeitschriftenartikel
Proll, J. H. E.; Plunk, G. G.; Faber, B. J.; Görler, T.; Helander, P.; McKinney, I. J.; Pueschel, M. J.; Smith, H. M.; Xanthopoulos, P.: Turbulence mitigation in maximum-J stellarators with electron-density gradient. Journal of Plasma Physics 88 (1), 905880112 (2022)
32.
Zeitschriftenartikel
Zocco, A.; Podavini, L.; Garcia-Regana, J. M.; Barnes, M.; Parra, F. I.; Mishchenko, A.; Helander, P.: Gyrokinetic electrostatic turbulence close to marginality in the Wendelstein 7-X stellarator. Physical Review E 106, L013202 (2022)
33.
Zeitschriftenartikel
Aleynikova, K.; Hudson, S. R.; Helander, P.; Kumar, A.; Geiger, J.; Hirsch, M.; Loizu, J.; Nührenberg, C.; Rahbarnia, K.; Qu, Z. et al.: Model for current drive induced crash cycles in W7-X. Nuclear Fusion 61, 126040 (2021)
34.
Zeitschriftenartikel
Arnold, A. M.; Aleynikov, P.; Helander, P.: Self-similar expansion of a plasmoid supplied by pellet ablation. Plasma Physics and Controlled Fusion 63, 095008 (2021)
35.
Zeitschriftenartikel
Beidler, C. D.; Smith, H. M.; Alonso, A.; Andreeva, T.; Baldzuhn, J.; Beurskens, M. N. A.; Borchardt, M.; Bozhenkov, S. A.; Brunner, K. J.; Damm, H. et al.: Demonstration of reduced neoclassical energy transport in Wendelstein 7-X. Nature 596, S. 221 - 226 (2021)
36.
Zeitschriftenartikel
Feng, Y.; Jakubowski, M.; König, R.; Krychowiak, M.; Otte, M.; Reimold, F.; Reiter, D.; Schmitz, O.; Zhang, D.; Beidler, C. D. et al.: Understanding detachment of the W7-X island divertor. Nuclear Fusion 61, 086012 (2021)
37.
Zeitschriftenartikel
Helander, P.; Plunk, G. G.: Upper Bounds on Gyrokinetic Instabilities in Magnetized Plasmas. Physical Review Letters 127, 155001 (2021)
38.
Zeitschriftenartikel
Henneberg, S. A.; Helander, P.; Drevlak, M.: Representing the boundary of stellarator plasmas. Journal of Plasma Physics 87 (5), 905870503 (2021)
39.
Zeitschriftenartikel
Henneberg, S.; Hudson, S. R.; Pfefferle, D.; Helander, P.: Combined plasma-coil optimization algorithms. Journal of Plasma Physics 87 (2), 905870226 (2021)
40.
Zeitschriftenartikel
Kennedy, D.; Helander, P.: Coulomb collisions in strongly anisotropic plasmas II. Cyclotron cooling in laboratory pair plasmas. Journal of Plasma Physics 87 (1), 905870106 (2021)