Thermodynamics of Barrow Holographic Dark Energy with Specific Cut-Off

被引：48

作者：

Chakraborty, Gargee ^{[1
]}

Chattopadhyay, Surajit ^{[1
,4
]}

Gudekli, Ertan ^{[2
]}

Radinschi, Irina ^{[3
]}

机构：

[1] Amity Univ, Dept Math, Major Arterial Rd,Act Area 2, Kolkata 700135, India

[2] Istanbul Univ, Dept Phys, TR-34134 Istanbul, Turkey

[3] Gheorghe Asachi Tech Univ, Dept Phys, Iasi 700050, Romania

[4] Interuniv Ctr Astron & Astrophys IUCAA, Pune, Maharashtra, India

来源：

SYMMETRY-BASEL | 2021年 / 13卷 / 04期

关键词：

holography; dark energy; bulk viscosity; thermodynamics; EQUATION-OF-STATE; BULK VISCOSITY; MODIFIED GRAVITY; SCALAR FIELD; COSMOLOGY; MODEL; DYNAMICS; UNIVERSE; LAW; STATEFINDER;

D O I：

10.3390/sym13040562

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Motivated by the work of Saridakis (Phys. Rev. D 102, 123525 (2020)), the present study reports the cosmological consequences of Barrow holographic dark energy (HDE) and its thermodynamics. The literature demonstrates that dark energy (DE) may result from electroweak symmetry breaking that triggers a phase transition from early inflation to late-time acceleration. In the present study, we incorporated viscosity in the Barrow HDE. A reconstruction scheme is presented for the parameters associated with Barrow holographic dark energy under the purview of viscous cosmology. The equation of state (EoS) parameter is reconstructed in this scenario and quintessence behaviour is observed. Considering Barrow HDE as a specific case of Nojiri-Odintsov (NO) HDE, we have observed quintom behaviour of the EoS parameter and for some values of n the EoS has been observed to be very close to -1 for the current universe. The generalised second law of thermodynamics has come out to be valid in all the scenarios under consideration. Physical viability of considering Barrow HDE as a specific case of NO HDE is demonstrated in this study. Finally, it has been observed that the model under consideration is very close to ?CDM and cannot go beyond it.

引用

页数：15

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