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Helander, P.; Simakov, A.: Intrinsic ambipolarity and bootstrap currents in stellarators. 17th International Stellarator/Heliotron Workshop (ISHW 2009), Princeton, NJ (2009)

Helander, P.: On runaway electrons. DPG Frühjahrstagung, Greifswald (2009)

Helander, P.: Intrinsic ambipolarity and rotation in stellarators. Theorie Seminar, Schloss Ringberg, Tegernsee (2008)

Helander, P.: Magnetic field and transport in 3D configurations. Workshop on the Theory of Magnetic Confinement for Fusion, Oxford (2008)

Helander, P.: Rotation in tokamaks and stellarators. Workshop "Kinetic Equations, Numerical Approaches and Fluid Models for Plasma Turbulence", Wien (2008)

Mishchenko, A.; Helander, P.; Könies, A.: Collisionless dynamics of zonal flows in stellarators. Joint Varenna-Lausanne International Workshop on Theory of Fusion Plasmas, Varenna (2008)

Helander, P.: Stability of plasmas with runaway electrons. Vortrag, Cadarache (2008)

Helander, P.: Magnetohydrodynamic. Culham Plasma Physics Summer School, Culham (2008)

Helander, P.: Runaway acceleration of electrons in tokamaks. Vortrag, Max-Planck-Institut für Sonnensystemforschung, Lindau (2008)

Helander, P.: Review of neoclassical transport theory. Hungarian Plasma Physics and Fusion Technical Workshop, Raab (2008)

Mishchenko, A.; Könies, A.; Helander, P.; Turkin, Y.; Kleiber, R.: Collisionless damping of zonal flow in 3D geometry. Theory Meeting, Sellin (2007)

Helander, P.: Particle transport in tokamaks - a review of theoreticla issues. Ringberg Theory Meeting, Ringberg (2006)

Salmi, A.; Beaumont, P.; de Vries, P.; Eriksson, L.-G.; Gowers, C.; Helander, P.; Laxaback, M.; Mantsinen, M.; Noterdaeme, J.-M.; Testa, D. et al.; EFDA JET Contributors: JET Experiments to Assess Finite Larmour Radius Effects on Resonant Ion Energy Distribution during ICRF Heating. 31st EPS on Controlled Fusion and Plasma Physics, London (2004)

Aleynikov, P.; Breizman, B. N.; Helander, P.; Runov, A.; Turkin, Y.: Pellet cloud expansion in hot plasmas. 46th EPS Conference on Plasma Physics, Milan (submitted)

Arnold, A.; Helander, P.; Aleynikov, P.: Self-similar hydrodynamics and pellet injection. DPG-Frühjahrstagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP), Hannover (submitted)

Camacho Mata, K.; Plunk, G. G.; Drevlak, M.; Helander, P.: Analysis of Optimal Quasi-isodynamic Stellarator Magnetic Equilibria Using a Direct Construction Approach. DPG-Frühjahrstagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP), Hannover (submitted)

Helander, P.; Puranen, T.; Meriläinen, A.; Maconi, G.; Penttilä, A.; Gritsevich, M.; Kassamakov, I.; Salmi, A.; Muinonen, K.; Hæggström, E.: Optimizing Rotation Control in Acoustic Levitation. Physics Days 2019 (PD 2019), Helsinki (2019)

Kennedy, D.; Mishchenko, A.; Helander, P.: Local gyrokinetic stability theory of plasmas of arbitrary degree of neutrality. DPG-Frühjahrstagung 2019 der Sektion Materie und Kosmos (SMuK), München (2019)

Kennedy, D.; Mishchenko, A.; Xanthopoulos, P.; Helander, P.; Banon Navarro, A.; Görler, T.: Gyrokinetics of electron-positron plasmas in a magnetic Z-pinch: towards a turbulence free plasma? 46th EPS Conference on Plasma Physics, Milan (submitted)

Newton, S. L.; Helander, P.; Mollen, A.; Smith, H. M.; Turkin, Y.: Impurity Transport and Plasma Flow in a Mixed Collisionality Stellarator Plasma. 26th IAEA Fusion Energy Conference (FEC 2016), Kyoto (2019)