Open AccessGeneration of electrostatic whistler wave by extraordinary EM wave
Author(s) -
Sharma R. P.,
Kumar Atul,
Tripathi Y. K.,
Kumar Raj
Publication year - 1998
Publication title -
journal of geophysical research: space physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.67
H-Index - 298
eISSN - 2156-2202
pISSN - 0148-0227
DOI - 10.1029/98ja02419
Subject(s) - whistler , hiss , physics , instability , magnetosphere , computational physics , electromagnetic radiation , electric field , quantum electrodynamics , geophysics , electron , plasma , optics , mechanics , nuclear physics , quantum mechanics
The parametric decay instability of an extraordinary electromagnetic wave into an electron plasma wave and an electrostatic whistler wave has been studied. Explicit expressions for the homogeneous growth rate and threshold electric field have been presented for this instability. The relevance of the present parametric process has been pointed out to explain the generation of whistler mode radiations in the SL‐2 experiment as well as in auroral magnetosphere (auroral hiss).