Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Cosmology of Barrow Holographic Dark Energy as Nojiri-Odintsov Holographic Dark Energy with Specific Cut-off and the Thermodynamics

Version 1 : Received: 16 February 2021 / Approved: 17 February 2021 / Online: 17 February 2021 (10:16:52 CET)

How to cite: Chakraborty, G.; Chattopadhyay, S.; Güdekli, E.; Radinschi, I. Cosmology of Barrow Holographic Dark Energy as Nojiri-Odintsov Holographic Dark Energy with Specific Cut-off and the Thermodynamics. Preprints 2021, 2021020372 (doi: 10.20944/preprints202102.0372.v1). Chakraborty, G.; Chattopadhyay, S.; Güdekli, E.; Radinschi, I. Cosmology of Barrow Holographic Dark Energy as Nojiri-Odintsov Holographic Dark Energy with Specific Cut-off and the Thermodynamics. Preprints 2021, 2021020372 (doi: 10.20944/preprints202102.0372.v1).

Abstract

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. Literatures demonstrate 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. Equation of state (EoS) parameter is reconstructed in this scenario and quintessence behaviour is observed. Considering BarrowHDE as a specific case ofNojiri-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.

Subject Areas

Barrow holographic dark energy; bulk viscosity; thermodynamics

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