Extended anisotropic models in noncompact Kaluza-Klein theory

被引：8
|
作者：
Rasouli, S. M. M. [1 ,2 ,3 ]
Moniz, P. V. [1 ,2 ,4 ]
机构：
[1] Univ Beira Interior, Dept Fis, Rua Marques dAvila & Bolama, P-6200 Covilha, Portugal
[2] Univ Beira Interior, CMA, Rua Marques dAvila & Bolama, P-6200 Covilha, Portugal
[3] Islamic Azad Univ, Qazvin Branch, Dept Phys, Qazvin, Iran
[4] Univ Cambridge, Ctr Math Sci, DAMTP, Wilberforce Rd, Cambridge CB3 0WA, England
来源：
CLASSICAL AND QUANTUM GRAVITY | 2019年 / 36卷 / 07期
关键词：
Bianchi type I and III models; modified Brans-Dicke theory; noncompact Kaluza-Klein theory; extra dimension; Kantowski-Sachs model; induced matter theory; scalar-tensor theories; BRANS-DICKE THEORY; GENERAL-RELATIVITY; GRAVITY; COSMOLOGY; SPACE; DIMENSIONS; EMBEDDINGS; UNIVERSE;
D O I：
10.1088/1361-6382/ab0987
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, new exact solutions for locally rotational symmetric (LRS) space-times are obtained within the modified Brans-Dicke theory (MBDT) (Rasouli et al 2014 Class. Quantum Grav. 31 115002). Specifically, extended five-dimensional (5D) versions of Kantowski-Sachs, LRS Bianchi type I and Bianchi type III are investigated in the context of the standard Brans-Dicke theory. We subsequently extract their corresponding dynamics on a 4D hypersurface. Our results are discussed regarding others obtained in the standard Brans-Dicke theory, induced-matter theory and general relativity. Moreover, we comment on the evolution of the scale factor of the extra spatial dimension, which is of interest in Kaluza-Klein frameworks.
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页数：23
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