Magnetic Bianchi-I cosmology in the Horndeski theory

被引：0
|
作者：
Muharlyamov, Ruslan K. [1 ]
Pankratyeva, Tatiana N. [2 ]
Bashir, Shehabaldeen O. A. [1 ,3 ]
机构：
[1] Kazan Fed Univ, Inst Phys, Dept Gen Relat & Gravitat, Kremlevskaya Str 18, Kazan 420008, Russia
[2] Kazan State Power Engn Univ, Dept Higher Math, Krasnoselskaya Str 51, Kazan 420066, Russia
[3] Univ Khartoum, Fac Sci, Dept Phys, Khartoum 11115, Sudan
来源：
MODERN PHYSICS LETTERS A | 2024年 / 39卷 / 17N18期
关键词：
Horndeski theory; dark energy; Bianchi-I cosmology; INFLATION; RECONSTRUCTION; ISOTROPY;
D O I：
10.1142/S0217732324500858
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, we study the evolution of Bianchi-I spacetimes within the framework of the Horndeski theory with G5=const./X. The spacetimes are filled a global unidirectional electromagnetic field interacting with a scalar field. We consider the minimal interaction and the non-minimal interaction by the law f2(phi)F mu nu F mu nu. The Horndeski theory allows anisotropy to grow over time, so the question arises of regulating the anisotropic level in this theory. Using the designer method, we build models in which the anisotropic level tends to a small value as the Universe expands. One of the results is a model with a anisotropic bounce.
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页数：22
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