Publications of P. Helander

Loizu, J.; Hudson, S.; Bhattacharjee, A.; Lazerson, S.; Helander, P.: A novel solution for the computation of three-dimensional ideal-MHD equilibria with current sheets at resonant surfaces. 20th International Stellarator-Heliotron Workshop (ISHW), Greifswald (submitted)

Mollén, A.; Landreman, M.; Smith, H. M.; Helander, P.: Impurities in a non-axisymmetric plasma: transport and effect on bootstrap current. 20th Joint EU-US Transport Task Force Meeting (TTF 2015), Salem, MA (submitted)

Mollén, A.; Landreman, M.; Smith, H. M.; Helander, P.: Impurities in a non-axisymmetric plasma: transport and effect on bootstrap current. 20th International Stellarator-Heliotron Workshop (ISHW), Greifswald (2015)

Smith, H. M.; Fietz, S.; Landreman, M.; Helander, P.: Calculation of the toroidal torque due to non-axisymmetric magnetic field perturbations in a tokamak with the SFINCS code. 20th International Stellarator-Heliotron Workshop (ISHW), Greifswald (2015)

Brochard, F.; Drevlak, M.; Helander, P.; Bonhomme, G.; Faudot, E.; Heuraux, S.; Lemoine, N.; Kisslinger, J.; Mikhailov, M.; Nührenberg, C. et al.; Nührenberg, J.; Turkin, Y.; Kelbert, E.: Physics and Engineering Design of ESTELL Quasi-Axisymmetric Stellarator. 41st EPS Conference on Plasma Physics, Berlin (2014)

Drevlak, M.; Beidler, C. D.; Geiger, J.; Helander, P.; Turkin, Y.: Quasi-isodynamic Configuration with Improved Confinement. 41st EPS Conference on Plasma Physics, Berlin (2014)

Loizu, J.; Hudson, S.; Bhattacharjee, A.; Helander, P.: Magnetic Islands and singular currents at rational surfaces in three-dimensional MHD equlibria. 56th Annual Meeting of the APS Division of Plasma Physics, New Orleans, LA (submitted)

Proll, J. H. E.; Faber, B. J.; Xanthopoulos, P.; Helander, P.: Microturbulence simulations in optimised stellarators. 41st EPS Conference on Plasma Physics , Berlin (submitted)

Drevlak, M.; Brochard, F.; Helander, P.; Kisslinger, J.; Mikhailov, M. M.; Nührenberg, C.; Turkin, Y.: Configuration Study for Quasi-Toroidally Symmetric Stellarator. 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 nearly quasi-isodynamic stellarators. 40th EPS Conference on Plasma Physics, Espoo (2013)

Marushchenko, N.; Erckmann, V.; Beidler, C.; Geiger, J.; Laqua, H.; Helander, P.; Maassberg, H.; Turkin, Y.: Selective ECR Heating of Trapped/Passing Electrons in the W7-X Stellarator. 20th Topical Conference on Radio Frequency Power in Plasmas, Sorrento (2013)

Proll, J.; Helander, P.; Xanthopoulos, P.; Connor, J.: Gyrokinetic TEM stability calculations for quasi-isodynamic stellarators. HEPP Kolloquium, Greifswald (2012)

Proll, J.; Helander, P.; Xanthopoulos, P.; Connor, J.: Gyrokinetic TEM stability calculations for quasi-isodynamic stellarators. Joint Varenna-Lausanne International Workshop on Theory of Fusion Plasmas, Varenna (2012)

Geiger, J.; Beidler, C.; Drevlak, M.; Helander, P.; Maaßberg, H.; Turkin, Y.: Overview of magnetic configuration properties of W7-X. Fachbeirat Postersession, IPP Greifswald (2012)

Proll, J.; Helander, P.; Connor, J.; Plunk, G.: Trapped Particle Instabilities in Stellarators. Fachbeirat Postersession, IPP Greifswald (2012)

Riemann, J.; Helander, P.; Smith, H.: 2D model for runaway electron energy amplification in a vertical disruption. Fachbeirat Postersession, Greifswald (2012)

García-Regaña, J.; Beidler, C.; Kleiber, R.; Maaßberg, H.; Turkin, Y.; Helander, P.; Kauffmann, K.: Neoclassical impurity transport in stellarator geometry. 2012 International Sherwood Fusion Theory Conference, Atlanta, GA (2012)

Proll, J. H. E.; Helander, P.; Connor, J. W.: Resilience of quasi-isodynamic stellarators against trapped-particle instabilities. DPG-Frühjahrstagung der Sektion AMOP, Stuttgart (2012)

Proll, J.; Helander, P.; Connor, J.; Plunk, G.: Trapped-particle instabilities in quasi-isodynamic stellarators. DPG-Frühjahrstagung der Sektion AMOP, Stuttgart (2012)

Geiger, J.; Beidler, C.; Drevlak, M.; Helander, P.; Maaßberg, H.; Turkin, Y.: Overview of magnetic configuration properties of W7-X. 18th International Stellarator/Heliotron Workshop, Canberra (2012)