(1) Department of Astronomy and Applied Physics, University of Science and Technology of China, 230026 Hefei, China;(2) Institute for Fusion Studies, University of Texas at Austin, TX 78712-1060 Austin, USA;(3) Institute for Applied Physics and Computational Mathematics, 100088 Beijing, China
Abstract:
Stability criteria for a weak relativistic beam-plasma interaction in a strong magnetic field are found. Two beam modes occur,ω≈kzC andω≈kzC-ωc. The dispersion equation of electrostatic two-stream is exactly solved with analytical method.