Cosmic Evolution of Holographic Dark Energy in f(G,T) Gravity

被引：3
作者：
Sharif, M. [1 ]
Ikram, Ayesha [1 ]
机构：
[1] Univ Punjab, Dept Math, Quaid E Azam Campus, Lahore 54590, Pakistan
来源：
ADVANCES IN HIGH ENERGY PHYSICS | 2019年 / 2019卷
关键词：
F G; COSMOLOGICAL MODELS; F(R; T); GRAVITY; RECONSTRUCTION; SINGULARITIES; STABILITY; FIELD;
D O I：
10.1155/2019/1873804
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The aim of this paper is to analyze the cosmological evolution of holographic dark energy in f(G,T) gravity (G and T represent the Gauss-Bonnet invariant and trace of the energy-momentum tensor, respectively). We reconstruct f(G,T) model through correspondence scheme using power-law form of the scale factor. The qualitative analysis of the derived model is investigated with the help of evolutionary trajectories of equation of state, deceleration as well as state-finder diagnostic parameters and omega(GT) - omega'(GT) cosmological phase plane. It is found that the equation of state parameter represents phantom epoch of the Universe whereas the deceleration parameter illustrates the accelerated phase. The state-finder plane corresponds to Chaplygin gas model while the freezing region is attained in omega(GT) - omega'(GT) plane.
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页数：9
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