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Symmetries and exact solutions of Einstein field equations for perfect fluid distribution and pure radiation fields

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Author(s): Lakhveer Kaur

Journal: Maejo International Journal of Science and Technology
ISSN 1905-7873

Volume: 7;
Issue: 01;
Start page: 133;
Date: 2013;
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Keywords: Lie classical method | Einstein field equations | perfect fluid distribution | pure radiation fields

ABSTRACT
Lie group formalism is applied to Einstein field equations for perfect fluid distribution and pure radiation fields in the investigation of symmetries and exact solutions. The similarity reductions are obtained by determining the complete sets of point symmetries of these equations. The reduced ordinary differential equations are further studied and some non-trivial exact solutions are successfully furnished.
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