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Wave Motion of Small Amplitude of a Fully Ionized Plasma under Gravitational Field
Author(s) -
Pai S. I.
Publication year - 1978
Publication title -
zamm ‐ journal of applied mathematics and mechanics / zeitschrift für angewandte mathematik und mechanik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.449
H-Index - 51
eISSN - 1521-4001
pISSN - 0044-2267
DOI - 10.1002/zamm.19780580803
Subject(s) - physics , gravitational wave , gravitational field , longitudinal wave , amplitude , plasma , gravitational redshift , classical mechanics , gravitational acceleration , gravitational force , gravitation , ionization , transverse wave , field (mathematics) , mechanics , quantum electrodynamics , wave propagation , optics , quantum mechanics , ion , mathematics , pure mathematics
The two‐fluid theory is used to analyze the wave motion of a fully ionized plasma under the gravitational field. For wave propagated in the direction of the gravitational force, the transverse waves are not affected by the gravitational force but the longitudinal waves are greatly affected by the gravitational force. There is a cut‐off frequency ω c such that all the longitudinal waves with frequency greater than ω c will always be damped even for an ideal plasma of infinite electrical conductivity.