Sum and Difference Frequency Generation in a Plasma by Two Nonuniform Electric Fields in the Presence of a Static Magnetic Field

Abstract

Theoretical investigations are made of the effects of a stationary magnetic field on sum and difference frequency generation due to two nonuniform rf electric fields applied externally to a plasma. Macroscopic equation of motion without collision term is used as a basic equation.
The magnetic field gives rise to sum and difference frequency components in electron velocity, even when the two nonuniform rf electric fields are perpendicular to each other. Cyclotron resonance in the electron velocity at sum and difference frequency is caused by a perpendicular gradient of the electric fields with respect to the direction of the stationary magnetic field.