Publications Prof. Dr. Per Helander

Helander, P.; Geiger, J.; Maaßberg, H.: On the bootstrap current in stellarators and tokamaks. Physics of Plasmas 18, 092505 (8pp) (2011)

Helander, P.; Mishchenko, A.; Kleiber, R.; Xanthopoulos, P.: Oscillations of zonal flows in stellarators. Plasma Physics and Controlled Fusion 53, 054006 (13pp) (2011)

Helander, P.; Nührenberg, J.: Reply to the comment on 'Bootstrap current and neoclassical transport in quasi-isodynamic stellarators'. Plasma Physics and Controlled Fusion 53, 038002 (2pp) (2011)

Kleiber, R.; Hatzky, R.; Könies, A.; Kauffmann, K.; Helander, P.: An improved control-variate scheme for particle-in-cell simulations with collisions. Computer Physics Communications 182 (4), pp. 1005 - 1012 (2011)

Papp, G.; Drevlak, M.; Fülöp, T.; Helander, P.: Runaway electron drift orbits in magnetostatic perturbed fields. Nuclear Fusion 51, 043004 (11pp) (2011)

Papp, G.; Drevlak, M.; Fülöp, T.; Helander, P.; Pokol, G.: Runaway electron losses caused by resonant magnetic perturbations in ITER. Plasma Physics and Controlled Fusion 53, 095004 (14pp) (2011)

Simakov, A.; Helander, P.: Plasma rotation in a quasi-symmetric stellarator. Plasma Physics and Controlled Fusion 53, 024005 (11pp) (2011)

Xanthopoulos, P.; Mishchenko, A.; Helander, P.; Sugama, H.; Watanabe, T.-H.: Zonal Flow Dynamics and Control of Turbulent Transport in Stellarators. Physical Review Letters 107, 245002 (4pp) (2011)

Drevlak, M.; Geiger, J.; Helander, P.: Improved Fast Particle Confinement from Optimised Coil Currents. In: 38th European Physical Society Conference on Plasma Physics. Contributed Papers, P1.086 (Eds. Becoulet, A.; Hoang, T.; Stroth, U.). 38th EPS Conference on Plasma Physics, Strasbourg, June 27, 2011 - July 01, 2011. European Physical Society, Geneva (2011)

Helander, P.; Beidler, C.; Maaßberg, H.; Marushchenko, N.: On the bootstrap current in stellarators. In: 38th European Physical Society Conference on Plasma Physics. Contributed Papers, P4.045 (Eds. Becoulet, A.; Hoang, T.; Stroth, U.). 38th EPS Conference on Plasma Physics, Strasbourg, June 27, 2011 - July 01, 2011. European Physical Society, Geneva (2011)

Marushchenko, N.; Beidler, C. D.; Helander, P.; Kasilov, S. V.; Kernbichler, W.; Maassberg, H.; Turkin, Y.: Calculations of ECCD with parallel momentum conservation and finite collisionality. In: 38th European Physical Society Conference on Plasma Physics. Contributed Papers, P2.102 (Eds. Becoulet, A.; Hoang, T.; Stroth, U.). 38th EPS Conference on Plasma Physics, Strasbourg, June 27, 2011 - July 01, 2011. European Physical Society, Geneva (2011)

Papp, G.; Drevlak, M.; Fülöp, T.; Helander, P.; Pokol, G.: The effect of resonant magnetic perturbations on runaway electrons. In: 38th European Physical Society Conference on Plasma Physics. Contributed Papers, P4.093 (Eds. Becoulet, A.; Hoang, T.; Stroth, U.). 38th EPS Conference on Plasma Physics, Strasbourg, June 27, 2011 - July 01, 2011. European Physical Society, Geneva (2011)

Riemann, J.; Helander, P.; Smith, H.: 2D model for runaway electron energy amplification in a vertical disruption. In: 38th European Physical Society Conference on Plasma Physics. Contributed Papers, P2.140 (Eds. Becoulet, A.; Hoang, T.; Stroth, U.). 38th EPS Conference on Plasma Physics, Strasbourg, June 27, 2011 - July 01, 2011. European Physical Society, Geneva (2011)

Helander, P.: On optimised stellarators. Culham Centre for Fusion Energy, CCFE, Culham (2011)

Geiger, J.; Beidler, C.; Drevlak, M.; Feng, Y.; Helander, P.; Marushchenko, N.; Maaßberg, H.; Nührenberg, C.; Turkin, Y.; Xanthopoulos, P.: Theoretical modeling in preparation for Wendelstein 7-X operation. 14th European Fusion Theory Conference, Frascati (2011)

Riemann, J.; Helander, P.; Smith, H.: 2D model for runaway electron energy amplification in a vertical disruption. 7th Meeting of ITPA Energetic Particle Topical Group, Austin, TX (2011)

Kleiber, R.; Hatzky, R.; Könies, A.; Kauffmann, K.; Helander, P.: Application of an enhanced control-variate scheme for particle-in-cell simulations with and without collisions. 22nd International Conference on Numerical Simulations of Plasmas, Long Branch (2011)

Papp, G.; Drevlak, M.; Fülöp, T.; Helander, P.; Pokol, G.: Runaway electron losses enhanced by resonant magnetic perturbations. 12th IAEA Technical Meeting on Energetic Particles in Magnetic Confinement Systems, Austin, TX (2011)

Riemann, J.; Helander, P.; Smith, H.: Energy gain of runaway electrons in vertical disruptions. 12th IAEA Technical Meeting on Energetic Particles in Magnetic Confinement Systems, Austin, TX (2011)

Helander, P.: Classical and neoclassical transport in tokamaks. 10th Carolus Magnus Summer School on Plasma and Fusion Energy Physics, Weert (2011)