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相关论文: Some Bianchi Type-V Models of Accelerating Univers…

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The paper deals with Bianchi type V Universe, which has dynamical energy density. We consider Bianchi type V space-time, introducing three different skewness parameters along spatial directions to quantify the deviation of pressure from…

综合物理 · 物理学 2015-03-17 Anil Kumar Yadav

Some new exact solutions of Einstein's field equations in a spatially homogeneous and anisotropic Bianchi type-V space-time with minimally interaction of perfect fluid and dark energy components have been obtained. To prevail the…

综合物理 · 物理学 2011-10-06 Anirudh Pradhan , H. Amirhashchi

Some new exact solutions of Einstein's field equations have come forth within the scope of a spatially homogeneous and anisotropic Bianchi type-III space-time filled with barotropic fluid and dark energy by considering a variable…

宇宙学与河外天体物理 · 物理学 2014-03-20 Hassan Amirhashchi , Anirudh Pradhan , Rekha Jaiswal

New dark energy models in anisotropic Bianchi type-I (B-I) space-time with variable EoS parameter and constant deceleration parameter have been investigated in the present paper. The Einstein's field equations have been solved by applying a…

综合物理 · 物理学 2011-07-15 Anirudh Pradhan , H. Amirhashchi , Bijan Saha

Spatially homogeneous and anisotropic Bianchi type V space-time with bulk viscous fluid source and time varying gravitational constant $G$ and cosmological term $\Lambda$ are considered. Coefficient of bulk viscosity $\zeta$ is assumed as a…

广义相对论与量子宇宙学 · 物理学 2012-05-25 Prashant S. Baghel , J. P. Singh

Bianchi type V matter filled universe with varying lambda in general relativity are investigated by using the law of variation for the generalized mean Hubble parameter. This yields the constant value of deceleration parameter and generates…

广义相对论与量子宇宙学 · 物理学 2013-01-15 Anil Kumar Yadav

Within the scope of an anisotropic Bianchi type-V cosmological model we have studied the evolution of the universe. The assumption of a diagonal energy-momentum tensor leads to some severe restriction on the metric functions, which on its…

综合物理 · 物理学 2015-05-01 Bijan Saha

The paper deals with a spatially homogeneous and isotropic FRW space-time filled with perfect fluid and dark energy components. The two sources are assumed to interact minimally, and therefore their energy momentum tensors are conserved…

广义相对论与量子宇宙学 · 物理学 2014-08-21 Suresh Kumar

Spatially homogeneous and anisotropic Bianchi type $VI_0$ cosmological models with cosmological constant are investigated in the presence of anisotropic dark energy. We examine the effects of electromagnetic field on the dynamics of the…

广义相对论与量子宇宙学 · 物理学 2010-11-24 M. Sharif , M. Zubair

In this paper, we present a model of transitioning universe with minimal interaction between perfect fluid and anisotropic dark energy in Bianchi I space-time. The two sources are assumed to minimally interacted and therefore their energy…

广义相对论与量子宇宙学 · 物理学 2016-08-19 Anil Kumar Yadav

The paper deals with the study of the dynamics of Universe within the framework of a spatially homogeneous Bianchi-V space-time filled with a perfect fluid composed of non-interacting matter and dynamical dark energy components. We…

综合物理 · 物理学 2013-12-02 Suresh Kumar

Spatially homogeneous but totally anisotropic and non-flat Bianchi type II cosmological model has been studied in general relativity in the presence of two minimally interacting fluids; a perfect fluid as the matter fluid and a hypothetical…

广义相对论与量子宇宙学 · 物理学 2012-06-18 Suresh Kumar , Ozgur Akarsu

The present study deals with spatial homogeneous and anisotropic locally rotationally symmetric (LRS) Bianchi-II dark energy model in general relativity. The Einstein's field equations have been solved exactly by taking into account the…

综合物理 · 物理学 2012-09-26 Bijan Saha , Anil Kumar Yadav

The Bianchi type-I universe filled with dark energy from a wet dark fluid has been considered. A new equation of state for the dark energy component of the universe has been used. It is modeled on the equation of state $p=\gamma (\rho…

广义相对论与量子宇宙学 · 物理学 2014-11-21 T. Singh , R. Chaubey

In this paper, we have constructed dark energy models in an anisotropic Bianchi-V space-time and studied the role of anisotropy in the evolution of dark energy. We have considered anisotropic dark energy fluid with different pressure…

综合物理 · 物理学 2017-10-25 B. Mishra , Pratik P. Ray , S. K. J. Pacif

In this paper, we have investigated the anisotropic behavior of the accelerating universe in Bianchi V space time in the frame work of General Relativity (GR). The matter field we have considered is of two non interacting fluids i.e. the…

广义相对论与量子宇宙学 · 物理学 2018-03-30 B. Mishra , P. K. Sahoo , Pratik P. Ray

In this paper, we consider Bianchi type-V space-time and study a cosmological model of dark energy based on Tachyon scalar field. We assumed three different kinds of matter without possibility of interaction with scalar dark energy.…

广义相对论与量子宇宙学 · 物理学 2015-01-13 J. Sadeghi , H. Farahani

This paper deals with a spatially homogeneous and totally anisotropic Bianchi type-V cosmological model within the framework of self interacting Brans Dicke theory of gravity in the background of anisotropic dark energy (DE) with variable…

广义相对论与量子宇宙学 · 物理学 2018-02-14 J. K. Singh , Sarita Rani

The present study deals with spatially homogeneous and totally anisotropic Bianchi type V cosmological model in presence of bulk viscous fluid source with time dependent gravitational constant G and cosmological term Lambda. The coefficient…

广义相对论与量子宇宙学 · 物理学 2022-04-22 Nawsad Ali

Within the scope of an anisotropic Bianchi type-VI cosmological model we have studied the evolution of the universe filled with perfect fluid and dark energy. To get the deterministic model of Universe, we assume that the shear scalar…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha
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