paper

Energy Content of Colliding Plane Waves using Approximate Noether Symmetries

arXiv:1109.3990 · doi:10.1007/s13538-012-0071-4

Abstract

This paper is devoted to study the energy content of colliding plane waves using approximate Noether symmetries. For this purpose, we use approximate Lie symmetry method of Lagrangian for differential equations. We formulate the first-order perturbed Lagrangian for colliding plane electromagnetic and gravitational waves. It is shown that in both cases, there does not exist

18 pages, accepted for publication in Brazilian J Physics

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