Vlasov描述中引力波与等离子体波的相互作用
Interaction between gravitational waves and plasma waves in the Vlasov description
摘要：
重新考虑了弗拉索夫等离子体中电磁波、静电波和引力波之间的非线性相互作用。通过使用正交四元描述的三波耦合系数计算。与以往的结果相比，发现本理论导致的代数表达式是大大减少，相比，使用坐标框架形式主义的计算。在此基础上，我们计算了引力波的反作用，并在冷等离子体的极限下导出了一个简单的能量守恒定律。
英文摘要：
The nonlinear interaction between electromagnetic, electrostatic and gravitational waves in a Vlasov plasma is reconsidered. By using a orthonormal tetrad description the three-wave coupling coefficients are computed. Comparing with previous results, it is found that the present theory leads to algebraic expression that are much reduced, as compared to those computed using a coordinate frame formalism. Furthermore, here we calculate the back-reaction on the gravitational waves, and a simple energy conservation law is deduced in the limit of a cold plasma.
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