A WKB formalism for multicomponent fields and its application to gravitational and sound waves in perfect fluids

DOI10.1088/0264-9381/13/8/016zbMath0862.35128OpenAlexW2041649719MaRDI QIDQ4894024

A. R. Prasanna, Jürgen Ehlers

Publication date: 26 May 1997

Published in: Classical and Quantum Gravity (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/bed3a2cc482f78c1c15825aba6a9d36af56f4ba9

zbMATH Keywords

transport equations for the wave amplitudespropagation of gravitational wavesperfect fluid solutions to Einstein's equationsound wave modesWKB method for multicomponent fields

Mathematics Subject Classification ID

Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20) PDEs in connection with relativity and gravitational theory (35Q75) Gravitational waves (83C35)

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