Geometric optics in space and time varying plasmas. II
作者:
Ira B. Bernstein,
D. E. Baldwin,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1977)
卷期:
Volume 20,
issue 1
页码: 116-126
ISSN:0031-9171
年代: 1977
DOI:10.1063/1.861700
出版商: AIP
数据来源: AIP
摘要:
The theory of geometric optics in space and time varying plasmas is extended to include internal sources. The calculation proceeds by deriving the far field for a point monochromatic source. This is matched asymptotically to the geometric optics field, and the result used to generate the field due to a distributed source and the velocity space diffusion tensor for a fluctuating source. The general initial value problem for a source free plasma is solved in the geometric optics approximation, and the associated wave kinetic equation is derived.
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