Conformal Ricci collineations in LRS Bianchi type V spacetimes with perfect fluid matter

被引：8

作者：

Khan, Fawad ^{[1
]}

Hussain, Tahir ^{[1
]}

Akhtar, Sumaira Saleem ^{[1
]}

机构：

[1] Univ Peshawar, Dept Math, Khyber Pakhtunkhwa, Pakistan

来源：

MODERN PHYSICS LETTERS A | 2017年 / 32卷 / 24期

关键词：

Conformal Ricci collineations; Ricci collineations; Bianchi type V spacetimes; KANTOWSKI-SACHS; III SPACETIMES; RELATIVITY; TIMES;

D O I：

10.1142/S0217732317501243

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Considering the perfect fluid as a source of energy-momentum tensor, we have classified locally rotationally symmetric (LRS) Bianchi type V spacetimes according to their conformal Ricci collineations (CRCs). It is shown that the LRS Bianchi type V spacetimes with perfect fluid matter admit 9-or 15-dimensional Lie algebra of CRCs when the Ricci tensor is non-degenerate, while the group of CRCs is infinite for degenerate Ricci tensor.

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页数：11

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