Nonlinear coupling of electrostatic waves in magnetized plasmas
- 1 January 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 31 (1) , 517-519
- https://doi.org/10.1103/physreva.31.517
Abstract
The most general low-frequency electrostatic plasma response to the high-frequency upper-hybrid oscillations is obtained. Accounting for the relativistic electron mass variation and the ponderomotive force nonlinearities, a pair of coupled nonlinear equations are derived. The latter describe the coupling of the high- and low-frequency potential oscillations in magnetized plasmas. Localized envelope wave packets are found in limiting cases. The importance of the relativistic mass variation nonlinearity is examined.Keywords
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