Localization of waves in a fluctuating plasma

Details Localization of waves in a fluctuating plasma Localization of waves in a fluctuating plasma

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phrvl..52.1296e&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 52, April 9, 1984, p. 1296-1299. NSF-supported research.

Physics

Plasma Physics

24

Longitudinal Waves, Magnetohydrodynamic Stability, Plasma Waves, Transverse Waves, Ion Acoustic Waves, Landau Damping, Plasma Density, Position (Location), Schroedinger Equation, Wave Propagation, Wentzel-Kramer-Brillouin Method

Scientific paper

The first application of localization theory to plasma physics is presented. Density fluctuations induce exponential localization of longitudinal and transverse electron plasma waves; i.e., the eigenmodes have an amplitude decreasing exponentially for large distances without any dissipative mechanism in the plasma. This introduces a new mechanism for converting a convective instability into an absolute one. Localization should be observable in clear-cut experiments.

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