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相关论文: Kaluza-Klein FRW type dark energy model with a mas…

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In present paper, we search the existence of dark energy scalar field models within in $f(R, T)$ gravity theory established by Harko et al. (Phys. Rev. D 84, 024020, 2011) in a flat FRW universe. The correspondence between scalar field…

广义相对论与量子宇宙学 · 物理学 2021-09-08 Vinod Kumar Bhardwaj , Anirudh Pradhan

In the present study, we investigate the interaction between dark energy and dark matter, particularly emphasizing the effects of curvature in the realm of Friedmann-Lemaitre-Robertson-Walker (FLRW) space-time. We examine the system by…

广义相对论与量子宇宙学 · 物理学 2023-07-07 Trupti Patil , Sukanta Panda

In this paper we study the evolution of the dark energy parameter within the scope of a spatially homogeneous and isotropic Friedmann-Robertson-Walker (FRW) model filled with barotropic fluid and dark energy by revisiting the recent results…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha , Hassan Amirhashchi , Anirudh Pradhan

From a variational action with non-minimal coupling with a scalar field and classical scalar and fermionic interaction, cosmological field equations can be obtained. Imposing a FLRW metric the equations lead directly to a cosmological model…

广义相对论与量子宇宙学 · 物理学 2011-11-29 Samuel Lepe , Javier Lorca , Francisco Peña , Yerko Vásquez

We study the evolution of the dark energy parameter within the scope of a spatially flat and isotropic Friedmann-Robertson-Walker (FRW) model filled with barotropic fluid and dark energy. To obtain the deterministic solution we choose the…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Hassan Amirhashchi , Anirudh Pradhan , Bijan Saha

This paper is devoted to study the modified holographic dark energy model by taking its different aspects in the flat Kaluza-Klein universe. We construct the equation of state parameter which evolutes the universe from quintessence region…

广义相对论与量子宇宙学 · 物理学 2015-06-18 M. Sharif , Abdul Jawad

We investigate the cosmological dynamics of interacting dark energy models in which the interaction function is a nonlinear in terms of the energy densities. Considering explicitly the interaction between a pressureless dark matter and a…

广义相对论与量子宇宙学 · 物理学 2020-01-17 Andronikos Paliathanasis , Supriya Pan , Weiqiang Yang

In this paper we have studied Kaluza-Klein string cosmological model within the framework of f(R; T) theory of gravity, where R is the Ricci scalar and T is the trace of the stress energy momentum tensor. We have obtained the solution of…

广义相对论与量子宇宙学 · 物理学 2018-06-06 D. D. Pawar , G. G. Bhuttampalle , P. K. Agrawal

In this paper we consider a spatially flat Friedmann-Robertson-Walker (FRW) cosmological model whit cosmological constant, containing a stiff fluid and a classical Dirac field. The proposed cosmological scenario describes the evolution of…

天体物理学 · 物理学 2007-10-24 Mauricio Cataldo , Luis P. Chimento

In this study, we will look at an interacting dark energy model. In the framework of Friedmann-Robertson-Walker (FRW) space-time, we have made the hypothesis of an interacting scheme between two fields (dark matter (DM) and dark energy…

广义相对论与量子宇宙学 · 物理学 2023-11-27 J. K. Singh , Ritika Nagpal

We investigate cosmological solutions of the chameleon model with a non-minimal coupling between the matter and the scalar field through a conformal factor with gravitational strength. By considering the spatially flat FLRW metric and the…

广义相对论与量子宇宙学 · 物理学 2023-11-01 Raziyeh Zaregonbadi , Nasim Saba , Mehrdad Farhoudi

The evolution of the dark energy parameter within the scope of a spatially homogeneous and isotropic Friedmann-Robertson-Walker (FRW) model filled with perfect fluid and dark energy components is studied by generalizing the recent results…

综合物理 · 物理学 2014-03-11 Anirudh Pradhan

This article explores the cosmological scenario of the universe in the context of the $f(T)$ power law model, where $T$ represent the torsion scalar. To obtain the deterministic solution of the field equations we parametrized the effective…

广义相对论与量子宇宙学 · 物理学 2024-11-11 S. R. Bhoyar , Yash B. Ingole

Confirmation of accelerated expansion of the universe probed the concept of dark energy theory, and since then, numerous models have been introduced to explain its origin and nature. The present work is based on reconstructing dark energy…

广义相对论与量子宇宙学 · 物理学 2023-10-09 Himanshu Chaudhary , Amine Bouali , Ujjal Debnath , Tanusree Roy , G. Mustafa

In this paper we consider a spatially flat Friedmann-Robertson-Walker (FRW) cosmological model with cosmological constant, containing a stiff fluid and a classical Dirac field. The proposed cosmological scenario describes the evolution of…

宇宙学与河外天体物理 · 物理学 2015-05-20 Mauricio Cataldo , Luis Chimento

We propose the Kaluza-Klein inspired Brans-Dicke gravity model containing possible existence of dark matter and dark energy. The massive scalar field coupled with gravity in 5 dimensional spacetime can be reduced to 4 dimensional gravity…

广义相对论与量子宇宙学 · 物理学 2020-11-05 Chakrit Pongkitivanichkul , Daris Samart , Nakorn Thongyoi , Nutthaphat Lunrasri

In this work we consider a flat cosmological model with a set of fluids in the framework of supersymmetric cosmology. The obtained supersymmetric algebra allowed us to take quantum solutions. It is shown that only in the case of a…

广义相对论与量子宇宙学 · 物理学 2010-12-23 J. J. Rosales , V. I. Tkach

We consider late-time cosmology in a (phantom) scalar-tensor theory with an exponential potential, as a dark energy model with equation of state parameter close to -1 (a bit above or below this value). Scalar (and also other kinds of)…

高能物理 - 理论 · 物理学 2009-09-17 Emilio Elizalde , Shin'ichi Nojiri , Sergei D. Odintsov

The work deals with homogeneous and isotropic, flat FRW model of the universe which is filled up with non-interacting dark matter and dark energy to compatible with recent observational evidences. By choosing the dark energy in the form of…

广义相对论与量子宇宙学 · 物理学 2013-05-09 Nilanjana Mahata , Subenoy Chakraborty

We examine Friedmann-Robertson-Walker models in three spacetime dimensions. The matter content of the models is composed of a perfect fluid, with a $\gamma$-law equation of state, and a homogeneous scalar field minimally coupled to gravity…

广义相对论与量子宇宙学 · 物理学 2009-10-31 Norman Cruz , Cristian Martinez
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