Quadratic equation of state solutions with Λ in f(R, T) gravitation theory

被引：0
|
作者：
Aygun, S. [1 ]
Aktas, C. [2 ]
Mishra, B. [3 ]
机构：
[1] Canakkale Onsekiz Mart Univ, Dept Phys, Arts & Sci Fac, Terzioglu Campus, TR-17020 Canakkale, Turkey
[2] Canakkale Onsekiz Mart Univ, Dept Math, Arts & Sci Fac, Terzioglu Campus, TR-17020 Canakkale, Turkey
[3] Birla Inst Technol & Sci Pilani, Dept Math, Hyderabad Campus, Hyderabad 500078, India
来源：
INDIAN JOURNAL OF PHYSICS | 2019年 / 93卷 / 03期
关键词：
Marder universe; f(R; T); gravity; Quadratic equation of state; Cosmological term; COSMOLOGICAL MODEL; DARK ENERGY; UNIVERSE;
D O I：
10.1007/s12648-018-1309-y
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, we have investigated the perfect fluid matter distribution with different quadratic equation of states (EoS) parameters in the form (i) p = p(0) + alpha rho + beta rho(2), (ii) p= alpha rho + rho(2)/rho(c) and (iii) p = alpha rho(2) - rho for Marder space-time in f(R,T) theory. The field equations of f(R,T) gravity with the inclusion of cosmological parameter Lambda have been derived for the first case of Harko et al. (Phys Rev D 84(2):024020, 2011) in the form f(R,T)=R + 2f(T). The physical parameters are investigated and its properties are studied.
引用
收藏
页码：407 / 414
页数：8
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