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Study of the effect of thermal radiation on singularities in presence of viscous holographic Ricci dark energy and modified Chaplygin gas
International Journal of Geometric Methods in Modern Physics ( IF 2.1 ) Pub Date : 2022-07-08 , DOI: 10.1142/s0219887822501791
Sanjeeda Sultana 1 , Gargee Chakraborty 1 , Surajit Chattopadhyay 1
Affiliation  

This work reports the effect of thermal radiation on singularities in the presence of holographic Ricci dark energy (HRDE) with generalized IR cut-off. The Eckart approach has been considered to initiate the study. The density of HRDE, which is a just particular cases of general Nojiri–Odintsov (NO) HDE [S. Nojiri and S. D. Odintsov, Unifying phantom inflation with late-time acceleration: Scalar phantom-non-phantom transition model and generalized holographic dark energy, Gen. Relativ. Gravit. 38(8) (2006) 1285–1304], in non-interacting and non-viscous case has been reconstructed and it is found that with the passage of cosmic time t, it is decreasing. The Equation of State (EoS) parameter of HRDE in non-interacting and viscous scenario, the EoS parameter of modified Chaplygin gas (MCG) in a non-interacting and non-viscous scenario and the EoS parameter of MCG in an interacting and non-viscous scenario have been reconstructed and studied. There is a chance of Type I, Type II, Type III, Type IV and w-singularities for the conditions we obtained. For the effect of thermal radiation of inhomogeneous viscous fluid in an interacting scenario, there is a scope of avoidance of Big-Rip Singularity.



中文翻译:

粘性全息里奇暗能量和改进的查普利金气体存在下热辐射对奇点的影响研究

这项工作报告了在具有广义 IR 截止的全息 Ricci 暗能量 (HRDE) 存在下热辐射对奇点的影响。Eckart 方法已被考虑启动该研究。HRDE 的密度,这是一般 Nojiri-Odintsov (NO) HDE [S. Nojiri 和 SD Odintsov,统一幻象膨胀与后期加速:标量幻象-非幻象过渡模型和广义全息暗能量,Gen. Relativ。重力。 38(8)(2006)1285-1304],在非相互作用和非粘性情况下进行了重构,发现随着宇宙时间t的流逝, 它正在减少。非相互作用和粘性情景中 HRDE 的状态方程 (EoS) 参数、非相互作用和非粘性情景中改进的 Chaplygin 气体 (MCG) 的 EoS 参数以及相互作用和非粘性情景中 MCG 的 EoS 参数粘性情景已被重建和研究。有机会出现 I 型、II 型、III 型、IV 型和w- 我们获得的条件的奇点。对于相互作用场景中非均匀粘性流体的热辐射效应,存在一定范围的大裂口奇点规避。

更新日期:2022-07-08
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