Energy Content of Colliding Plane Waves Using Approximate Noether Symmetries

被引：0

作者：

Muhammad Sharif

Saira Waheed

机构：

[1] University of the Punjab,Department of Mathematics

来源：

Brazilian Journal of Physics | 2012年 / 42卷

关键词：

Colliding plane waves; Approximate symmetries; Conservation laws;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We study the energy content of colliding plane waves using approximate Noether symmetries. For this purpose, we use the approximate Lie symmetry method for Lagrangians for differential equations. We formulate the first-order perturbed Lagrangian for colliding plane electromagnetic and gravitational waves. In both cases, we show that no nontrivial first-order approximate symmetry generator exists.

引用

页码：219 / 226

页数：7

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