Small perturbations in an electron plasma situated in a spatial-plane Friedmann world

Details Small perturbations in an electron plasma situated in a spatial-plane Friedmann world Small perturbations in an electron plasma situated in a spatial-plane Friedmann world

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ukfiz..26..982i&link_type=abstract

Ukrainskii Fizicheskii Zhurnal, vol. 26, June 1981, p. 982-989. In Russian.

Mathematics

Logic

Cosmology, Electron Plasma, Gravitational Effects, Magnetohydrodynamic Stability, Metric Space, Perturbation Theory, Astronomical Models, Cold Plasmas, Collisionless Plasmas, Integral Equations, Maxwell Equation, Plasma Oscillations, Red Shift, Relativity, Vlasov Equations

Scientific paper

Basic equations are obtained for small perturbations in an electron plasma in a spatial-plane Friedmann world. It is shown that transverse longwave perturbations in the nonrelativistic limit have an unstable power mode, while longitudinal perturbations are damped at this limit. The propagation of high-frequency oscillations in a cold electron plasma are examined; it is shown that an additional redshift exists for sources situated at cosmological distances; this redshift is determined by cosmological expansion of the cosmic plasma.

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