Abstract
A single-particle theory is developed to investigate particle acceleration
along and across a magnetic field and the generation of an electric field transverse to
the magnetic field induced by electromagnetic waves in a magnetized plasma. The
almost perpendicularly propagating waves accelerate particles via their Landau
and cyclotron damping, and the ratio of parallel and perpendicular drift velocities
vs∥/vd can be proved to be proportional to k∥/k⊥. Simultaneously, an intense cross-field
electric field E0 = B0×vd/c is generated via the dynamo effect owing to
perpendicular particle acceleration to satisfy the generalized Ohm’s law. This means
that this cross-field particle drift in a collisionless plasma is identical to E×B
drift. It is verified that the transport equations obtained are exactly equivalent to
those derived from the θ-dependent quasilinear velocity-space diffusion equation
obtained from the Vlasov–Maxwell equations.
Publisher
Cambridge University Press (CUP)
Cited by
5 articles.
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