Electron Waves below the Electron Plasma Frequency without Boundary Effects

Authors:
  • TOToshiro Ohnuma
    Toshiro Ohnuma
  • TWTsuguhiro Watanabe
    Tsuguhiro Watanabe
  • HSHeiji Sanuki
    Heiji Sanuki

Abstract
The propagation of an oblique electron thermal mode without boundary effects below the electron plasma frequency is confirmed experimentally and theoretically in a magnetized plasma using ray velocity surfaces. Furthermore, the refractive effects of the mode in an inhomogeneous medium are investigated.

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