Physical Review Letters · 2006 · 40 citations · 15 references
Natural SciencesPhysicsElectromagnetismPlasma PhysicsStochastic ProcessesMagnetized PlasmaPlasma ConfinementPlasma ElectrodynamicsPlasma Kinetic TheoryPlasma TransportSingle-particle MotionImpurity TransportKinetic Theory Of Magnetized PlasmasMagnetized Plasma KineticsPlasma Fluctuation AnalysisPlasma Transport ProcessesSpace-dependent TransportTokamak PhysicsTokamak Plasmas
A ratchet-type average velocity is shown to appear for test particles moving in a stochastic potential and a magnetic field that is space dependent. This is a possible explanation for impurity behavior in tokamak plasmas.
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