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On spherically symmetric non-static space-times admitting homothetic motions
Journal article

On spherically symmetric non-static space-times admitting homothetic motions

Ragab M. Gad
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-GENERAL PHYSICS RELATIVITY ASTRONOMY AND MATHEMATICAL PHYSICS AND METHODS, Vol.124(1), pp.61-67
12/05/2010
DOI: https://doi.org/10.1393/ncb/i2009-10745-3

Abstract

Physical Sciences Physics Physics, Multidisciplinary Science & Technology
Spherically symmetric solutions admitting a homothetic Killing vector held (HKVF) either orthogonal, eta((sic)), or parallel, eta(parallel to), to the 4-velocity vector field, u(a), are studied. New self-similar solution of Einstein's field equation is found in the case when HKVF is in a general form. Some physical properties of the obtained solution are examined.

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