Sideband Instability: Observations and Comparison with Theory
- 13 August 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 31 (7), 436-439
- https://doi.org/10.1103/physrevlett.31.436
Abstract
In the trapped-electron sideband instability of a nonlinear plasma wave of potential , initial enhanced damping occurs for a distance , beyond which signals grow at a rate scaling nearly linearly with . The growth remains exponential even in cases where the main wave is significantly damped. This behavior is more consistent with a quasilinear spectral development than with the commonly cited parametric bounce-frequency instability of a stationary Bernstein-Greene-Kruskal equilibrium.
Keywords
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