Publications of P. Helander

Helander, P.: Hamiltonian mechanics in magnetic fields and the role of "hidden symmetries". Theoretical Physics Colloquium, University of Oxford (submitted)

Helander, P.: Stellarators, fusion energy and the Wendelstein 7-X experiment. Physics Colloquium, University of Oxford (submitted)

Helander, P.: Fusion energy, tokamaks and stellarators. Talk for Physics Students, D'Overbroecks School, Oxford (submitted)

Helander, P.: Stellarators, Wendelstein 7-X, and its first results. JET, Culham Centre for Fusion Energy, Oxfordshire (submitted)

Helander, P.: Fusion Energy with a Twist. The Occam Lecture, Merton College, University of Oxford (submitted)

Marushchenko, N. B.; Erckmann, V.; Beidler, C. D.; Geiger, J.; Laqua, H. P.; Helander, P.; Maassberg, H.; Turkin, Y.: On selective ECR heating of trapped/passing electrons in the W7-X Stellarator. 27th Joint Russian-German Workshop on ECRH and Gyrotrons, Greifswald (2016)

Mollen, A.; Landreman, M.; Garcia-Regana, J. M.; Smith, H. M.; Alonso, J. A.; Kleiber, R.; Beidler, C. D.; Helander, P.: The role of flux-surface potential variations in stellarator impurity transport. 21st Joint EU-US Transport Task Force Meeting (TTF 2016), Leysin (submitted)

Pedersen, T. S.; König, R.; Baldzuhn, J.; Barbui, T.; Beurskens, M.; Bosch, H.-S.; Brakel, R.; Burhenn, R.; Biedermann, C.; Bozhenkov, S. et al.; Dinklage, A.; Effenberg, F.; Endler, M.; Gates, D.; Geiger, J.; Grulke, O.; Hartmann, D.; Hathiramani, D.; Helander, P.; Hirsch, M.; Jakubowski, M.; Klinger, T.; Knauer, J.; Kocsis, G.; Kornejew, P.; Krychowiak, M.; Laqua, H. P.; Lazerson, S.; Neuner, U.; Niemann, H.; Otte, M.; Pablant, N.; Pasch, E.; Rahbarnia, K.; Schmitz, O.; Schneider, W.; Standley, B.; Stange, T.; Stephey, L.; Szepesi, T.; Thomsen, H.; Traverso, P.; Wenzel, U.; Wolf, R. C.; Wurden, G. A.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Results from the first physics operation of Wendelstein 7-X. 18th International Congress on Plasma Physics (ICPP 2016), Kaohsiung (submitted)

Smith, H. M.; Landreman, M.; Helander, P.; Martitsch, A.: Neoclassical toroidal viscous torque due to non-axisymmetric magnetic fields in tokamaks. Joint Varenna-Lausanne International Workshop on Theory of Fusion Plasmas, Varenna (2016)

Zocco, A.; Plunk, G. G.; Xanthopoulos, P.; Helander, P.: Geometric stabilisation of the electrostatic ion-temperature-gradient driven instability. 16th ITPA Transport and Confinement Topical Group Meeting (ITPA T&C Meeting), Ahmedabad (2016)

Helander, P.: The path to, and vision of, stellarator reactors. Frontiers in Fusion Research, University of York (submitted)

Loizu, J.; Hudson, S.; Bhattacharjee, A.; Helander, P.: Computation of singular currents at rational surfaces in non-axisymmetric MHD equilibria. 2015 International Sherwood Fusion Theory Conference, New York, NY (submitted)

Loizu, J.; Hudson, S.; Helander, P.; Lazerson, S.; Bhattacharjee, A.: Pressure-driven amplification and penetration of resonant magnetic perturbations. 57th Annual Meeting of the APS Division of Plasma Physics, Savannah, GA (submitted)

Papp, G.; Drevlak, M.; Fülöp, T.; Pokol, G. I.; Helander, P.: Effects of stochastic fields on runaways. 597th Wilhelm und Else Heraeus Seminar "Stochasticity in Fusion Plasmas", Bad Honnef (submitted)

Proll, J. H. E.; Faber, B. J.; Helander, P.; Lazerson, S. A.; Mynick, H. E.; Xanthopoulos, P.: TEM turbulence in stellarators – its simulation and its optimization. 2015 International Sherwood Fusion Theory Conference, New York, NY (submitted)

Proll, J. H. E.; Faber, B. J.; Helander, P.; Lazerson, S. A.; Mynick, H. E.; Xanthopoulos, P.: Microturbulence simulations in optimised stellarators. 42nd EPS Conference on Plasma Physics, Lisbon (submitted)

Proll, J. H. E.; Mynick, H. E.; Xanthopoulos, P.; Helander, P.; Lazerson, S. A.; Faber, B. J.: TEM turbulence optimisation in stellarator experiments. 20th International Stellarator-Heliotron Workshop (ISHW), Greifswald (2015)

Wolf, R. C.; Beidler, C. D.; Dinklage, A.; Helander, P.; Laqua, H. P.; Schauer, F.; Pedersen, T. S.; Warmer, F.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Wendelstein 7-X Programme – Demonstration of a Stellarator Option for Fusion Energy. 26th IEEE Symposium on Fusion Engineering (SOFE 2015), Austin, TX (submitted)

Zocco, A.; Helander, P.; Connor, J. W.: Magnetic compressibility and ion temperature gardient driven microinstabilities in magnetically confined plasmas. 42nd EPS Conference on Plasma Physics, Lisbon (submitted)

Alonso, J. A.; Garcia-Regana, J. M.; Pedrosa, M. A.; Hidalgo, C.; Velasco, J. L.; Calvo, I.; Silva, C.; Helander, P.; Kleiber, R.: Electrostatic potential variations along flux surfaces as an ingredient of radial impurity transport. 19th Joint EU-US Transport Task Force Meeting (TTF 2014), Culham (2014)