Transport of energetic particles in turbulent plasmas [Elektronische Ressource] / vorgelegt von Thilo Hauff

Thilo Hau Transport of Energetic Particlesin Turbulent Plasmas2009Transport of Energetic Particlesin Turbulent PlasmasDissertation zur Erlangungdes Doktorgrades Dr. rer. nat.der Fakultat fur Naturwissenschaftender Universitat Ulmvorgelegt vonThilo Hau aus Ulm2009Dekan: Prof. Dr. Axel Gro Erstgutachter: apl. Prof. Dr. Frank JenkoZweitgutachter: Prof. Dr. Peter ReinekerDrittgutachter: Prof. Dr. Tunde Ful opTag der Promotion: 11. November 2009For we know in part, and we prophesy in part. But when that which is perfectis come, then that which is in part shall be done away.Saint Paul, 1 Cor.13, 9-10Meiner FrauCorneliagewidmetAbstractAnomalous transport in magnetically con ned fusion plasmas is induced byelectrostatic and magnetic turbulence on scales of the Larmor radii of the ionsand electrons, and is responsible for the degradation of con nemen t, stronglycomplicating the process of achieving the necessary conditions to sustain a burn-ing plasma. The quest to understand the turbulent transport of particles, mo-mentum, and energy in magnetized plasmas remains a key challenge in nuclearfusion research. A basic issue being still relatively poorly understood is theturbulent advection of energetic particles with large drift orbits and gyroradii.Especially the interaction of fast alpha particles or ‘beam ions’ with the back-ground turbulence is of great interest.