Nonlinear gravitational wave interactions with plasmas

被引:27
作者
Brodin, G [1 ]
Marklund, M
Dunsby, PKS
机构
[1] Umea Univ, Dept Plasma Phys, SE-90187 Umea, Sweden
[2] Chalmers Univ Technol, Dept Electromagnet, SE-41296 Gothenburg, Sweden
[3] Univ Cape Town, Dept Math & Appl Math, ZA-7701 Rondebosch, South Africa
关键词
D O I
10.1103/PhysRevD.62.104008
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We consider the interactions of a strong gravitational wave with electromagnetic fields using the 1+3 orthonormal tetrad formalism. A general system of equations is derived, describing the influence of a plane fronted parallel (pp) gravitational wave on a cold relativistic multicomponent plasma. We focus our attention on phenomena that are induced by terms that are higher order in the gravitational wave amplitude. In particular, it is shown that parametric excitations of plasma oscillations take place, due to higher order gravitational nonlinearities. The implications of the results are discussed.
引用
收藏
页码:1 / 5
页数:5
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