Propagation of Lower Hybrid Waves in Toroidal Plasmas

Abstract

Propagation of the cold lower hybrid waves in a cylindrical and a cylindrical tokamak plasmas is studied. The trajectory of wave energy flow is spiral and arrives at the lower hybrid resonance layer along the poloidal field. At the same time, it travels along the toroidal direction, and its propagated distance to the resonance layer is equal to √M/m a, in order, where M (m) is the mass of ion (electron) and a is the radius of plasma column.