Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Plasmas
5 (1998), S. 915-920
ISSN:
1089-7674
Source:
AIP Digital Archive
Topics:
Physics
Notes:
An ensemble of electrostatic waves propagating obliquely to the external uniform magnetic field accelerates the plasma electrons, giving rise to a mechanical energy in terms of finite magnetic moment (μ). In nonlinear analysis, this magnetic moment modifies the resonances among the harmonics (l) and the overlapping parameter (K) leading to stochasticity. It is shown that the threshold amplitude (φk) of electrostatic waves at the onset of chaos increases slowly for l=0 harmonics and sharply for higher harmonics (l≥1), owing to the effect of magnetic moment. A sharp decrease of threshold amplitude with wave vector (k) pertaining to the ensemble of waves for higher harmonics (l≥1) is also delineated. The findings may have astrophysical and cosmological signatures in the high energy particle regimes. © 1998 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.872660
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