Publications of P. Helander
All genres
Journal Article (167)
1.
Journal Article
Piecewise omnigenous stellarators with zero bootstrap current. Physical Review E 112, L023201 (2025)
2.
Journal Article
Pellet Rocket Effect in Magnetic Confinement Fusion Plasmas. Physical Review Letters 134, 035101 (2025)
3.
Journal Article
Generation of energetic electrons during X2 ECRH start up. Nuclear Fusion 65, 056009 (2025)
4.
Journal Article
Assessment of validity of local neoclassical transport theory for studies of electric-field root-transitions in the W7-X stellarator. Nuclear Fusion 65, 016019 (2025)
5.
Journal Article
On the curvature-driven ion-temperature-gradient instability and its available energy. Journal of Plasma Physics 91 (5), E144 (2025)
6.
Journal Article
Energetic bounds on gyrokinetic instabilities. Part 5. Contrasting optimal and normal modes over the geometric landscape. Journal of Plasma Physics 91 (3), E79 (2025)
7.
Journal Article
Thermal quench induced by a composite pellet-produced plasmoid. Nuclear Fusion 64, 016009 (2024)
8.
Journal Article
Reduction of neoclassical bulk-ion transport to avoid helium-ash retention in stellarator reactors. Nuclear Fusion 64, 126030 (2024)
9.
Journal Article
Conditions and benefits of X-point radiation for the island divertor. Nuclear Fusion 64, 086027 (2024)
10.
Journal Article
Quasi-Isodynamic Stellarators with Low Turbulence as Fusion Reactor Candidates. PRX Energy 3, 023010 (2024)
11.
Journal Article
Overview of the first Wendelstein 7-X long pulse campaign with fully water-cooled plasma facing components. Nuclear Fusion 64, 112002 (2024)
12.
Journal Article
Optimised stellarators with a positive radial electric field. Journal of Plasma Physics 90 (6), 175900602 (2024)
13.
Journal Article
Available energy of plasmas with small fluctuations. Journal of Plasma Physics 90 (4), 905900401 (2024)
14.
Journal Article
Self-consistent, global, neoclassical radial-electric-field calculations of electron-ion-root transitions in the W7-X stellarator. Nuclear Fusion 64, 046023 (2024)
15.
Journal Article
The residual flow in well-optimized stellarators. Journal of Plasma Physics 90 (2), 905900205 (2024)
16.
Journal Article
Ion-temperature- and density-gradient-driven instabilities and turbulence in Wendelstein 7-X close to the stability threshold. Journal of Plasma Physics 90 (4), 905900414 (2024)
17.
Journal Article
The maximum-J property in quasi-isodynamic stellarators. Journal of Plasma Physics 90 (2), 905900212 (2024)
18.
Journal Article
Stability of electron plasmas in stellarators. Journal of Plasma Physics 89 (4), 935890402 (2023)
19.
Journal Article
Constructing precisely quasi-isodynamic magnetic fields. Journal of Plasma Physics 89 (4), 905890504 (2023)
20.
Journal Article
Bounce-averaged drifts: Equivalent definitions, numerical implementations, and example cases. Physics of Plasmas 30, 093901 (2023)