Conformal Ricci and Matter Collineations for Two Perfect Fluids

Details Conformal Ricci and Matter Collineations for Two Perfect Fluids Conformal Ricci and Matter Collineations for Two Perfect Fluids

2009-02-27

arxiv.org/abs/0902.4749v1

Chinese J. Physics 47(2009)115-133

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, accepted for publication Chinse J. Physics

Scientific paper

Conformal Ricci and conformal matter collineations for the combination of two perfect fluids in General Relativity are investigated. We study the existence of timelike and spacelike conformal Ricci and matter collineations by introducing the kinematical and dynamical properties of such fluids and using the Einstein field equations. Some recent studies on conformal collineations are extended and new results are found. It is worth mentioning that we recover all the previous results a special cases.

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