Publications of P. Helander
All genres
Journal Article (164)
2023
Journal Article
89 (4), 905890419 (2023)
Energetic bounds on gyrokinetic instabilities. Part 3. Generalized free energy. Journal of Plasma Physics
Journal Article
89 (3), 905890306 (2023)
Drift of ablated material after pellet injection in a tokamak. Journal of Plasma Physics 2022
Journal Article
88 (1), 905880122 (2022)
On heat conduction in an irregular magnetic field. Part 1. Journal of Plasma Physics
Journal Article
88 (1), 905880207 (2022)
Energetic bounds on gyrokinetic instabilities. Part 1. Fundamentals. Journal of Plasma Physics
Journal Article
88 (5), 175880504 (2022)
A single-field-period quasi-isodynamic stellarator. Journal of Plasma Physics
Journal Article
128 (18), 175001 (2022)
Available Energy of Trapped Electrons and its Relation to Turbulent Transport. Physical Review Letters
Journal Article
88 (1), 905880107 (2022)
Heat conduction in an irregular magnetic field. Part 2. Heat transport as a measure of the effective non-integrable volume. Journal of Plasma Physics
Journal Article
62, 042022 (2022)
Experimental confirmation of efficient island divertor operation and successful neoclassical transport optimization in Wendelstein 7-X. Nuclear Fusion
Journal Article
88 (3), 905880313 (2022)
Energetic bounds on gyrokinetic instabilities. Part 2. Modes of optimal growth. Journal of Plasma Physics
Journal Article
88 (1), 905880112 (2022)
Turbulence mitigation in maximum-J stellarators with electron-density gradient. Journal of Plasma Physics
Journal Article
106, L013202 (2022)
Gyrokinetic electrostatic turbulence close to marginality in the Wendelstein 7-X stellarator. Physical Review E 2021
Journal Article
61, 126040 (2021)
Model for current drive induced crash cycles in W7-X. Nuclear Fusion
Journal Article
63, 095008 (2021)
Self-similar expansion of a plasmoid supplied by pellet ablation. Plasma Physics and Controlled Fusion
Journal Article
596, pp. 221 - 226 (2021)
Demonstration of reduced neoclassical energy transport in Wendelstein 7-X. Nature
Journal Article
61, 086012 (2021)
Understanding detachment of the W7-X island divertor. Nuclear Fusion
Journal Article
127, 155001 (2021)
Upper Bounds on Gyrokinetic Instabilities in Magnetized Plasmas. Physical Review Letters
Journal Article
87 (5), 905870503 (2021)
Representing the boundary of stellarator plasmas. Journal of Plasma Physics
Journal Article
87 (2), 905870226 (2021)
Combined plasma-coil optimization algorithms. Journal of Plasma Physics
Journal Article
87 (1), 905870106 (2021)
Coulomb collisions in strongly anisotropic plasmas II. Cyclotron cooling in laboratory pair plasmas. Journal of Plasma Physics
Journal Article
87 (1), 905870107 (2021)
Coulomb collisions in strongly anisotropic plasmas I. Cyclotron cooling in electron–ion plasmas. Journal of Plasma Physics