Breizman, B. N.; Aleynikov, P. B.; Fontanilla, A. K.; Helander, P.; Oliver, H. J. C.; Sharapov, S. E.: The feeder pellets and the killer pellets in a plasma. Joint Varenna-Lausanne International Workshop on Theory of Fusion Plasmas, Varenna (2018)

Drevlak, M.; Beidler, C. D.; Geiger, J.; Helander, P.; Turkin, Y.: Stellarator Optimisation: Equilibrium and Coils. Hangzhou International Stellarator Workshop (HISW2018), Hangzhou (submitted)

Helander, P.: Available energy in stellarators and tokamaks. Kinetic Theory Working Group Meeting, Madrid (2018)

Henneberg, S. A.; Drevlak, M.; Nührenberg, C.; Beidler, C. D.; Turkin, Y.; Loizu, J.; Helander, P.: Development of a novel quasi-axisymmetric stellarator. Joint Varenna-Lausanne International Workshop on Theory of Fusion Plasmas, Varenna (submitted)

Marushchenko, N. B.; Aleynikov, P.; Beidler, C. D.; Dinklage, A.; Geiger, J.; Helander, P.; Laqua, H. P.; Maaßberg, H.; Turkin, Y.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Mixed Scenarios with X3 heating in W7-X. 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-20), Greifswald (submitted)

Mishchenko, A.; Helander, P.; Plunck, G.; Zocco, A.; Kennedy, D.; Herbst, A.; Xanthopoulos, P.: Gyrokinetic stability of electron-positron and electron-positron-ion plasmas. Kinetic Theory Working Group Meeting, Madrid (2018)

Mollen, A.; Landreman, M.; Smith, H. M.; Buller, S.; Garcia-Regana, J. M.; Velasco, J. L.; Alcuson Belloso, J. A.; Xanthopoulos, P.; Zocco, A.; Aleynikova, K. et al.; Nunami, M.; Nakata, M.; Helander, P.: On impurity transport calculations in stellarators. Kinetic Theory Working Group Meeting, Madrid (submitted)

Plunk, G. G.; Helander, P.; Landreman, M.: Shapely stellarators. Kinetic Theory Working Group Meeting, Madrid (2018)

Zocco, A.; Helander, P.; Dinklage, A.; Pedersen, T. S.; Geiger, B.; Smith, H.; Jakubowski, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Recent advances in transport studies in Wendelstein 7-X. ITPA Tansport and Confinement Fall Meeting 2018, Cadarache (submitted)

Aleynikova, K.; Zocco, A.; Xanthopoulos, P.; Helander, P.: Quantitative study of kinetic ballooning mode theory in magnetically confined toroidal plasmas. 45th EPS Conference on Plasma Physics, Prague (2018)

Buller, S.; Smith, H. M.; Helander, P.; Mollen, A.; Newton, S. L.; Pusztai, I.: Collisional transport of heavy impurities with flux-surface density variation in stellarators. 45th EPS Conference on Plasma Physics, Prague (2018)

Buller, S.; Smith, H. M.; Helander, P.; Newton, S. L.; Pusztai, I.: Transport of Collisional Impurities with Flux-Surface Density Variation in Stellarator Plasmas. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (2018)

Drevlak, M.; Beidler, C. D.; Geiger, J.; Helander, P.; Henneberg, S.; Nührenberg, C.; Turkin, Y.: New Results in Stellarator Optimization. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (submitted)

Loizu, J.; Hudson, S. R.; Nührenberg, C.; Geiger, J.; Helander, P.: Equilibrium β-limits in classical stellarators and beyond. Joint Varenna-Lausanne International Workshop on Theory of Fusion Plasmas, Varenna (submitted)

Mollen, A.; Landreman, M.; Smith, H. M.; Alcuson, J. A.; Xanthopoulos, P.; Garcia-Regana, J. M.; Iantchenko, A.; Buller, S.; Langenberg, A.; Helander, P.: Calculations of impurity transport in Wendelstein 7-X plasmas. 45th EPS Conference on Plasma Physics, Prague (submitted)

Proll, J. H. E.; Xanthopoulos, P.; Helander, P.: Dissipative trapped-electron modes in Wendelstein 7-X and other configurations. 45th EPS Conference on Plasma Physics, Prague (2018)

Shanahan, B.; Dudson, B.; Hill, P.; Helander, P.: BSTING: modifying the BOUT++ framework for fluid simulations of turbulence in non-axisymmetric geometries. 45th EPS Conference on Plasma Physics, Prague (2018)

Helander, P.: Theorie magnetisch eingeschlossener Plasmen. Lecture: Vorlesung (SS 2018), Ernst-Moritz-Arndt-Universität Greifswald

Helander, P.: Allgemeine Relativitätstheorie. Lecture: Vorlesung (WS 2018/2019), Universität Greifswald

Helander, P.: Stellarator Theory. (2018)