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Thermodynamical aspects of nonsingular Brans–Dicke cosmologies

Department of Applied Mathematics, Jabalpur Engineering College, Jabalpur, Madhya Pradesh, Pin 482011, India

and

Department of Applied Sciences, Bundelkhand Institute of Engineering and Technology, Jhansi, Uttar Pradesh, Pin 284128, India

E-mail Address: anjanishkl2@gmail.com

Corresponding author.

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https://doi.org/10.1142/S0217751X20500542Cited by:19 (Source: Crossref)

Abstract

The time evolution of total entropy including the entropy associated with horizon and entropy of matter inside the horizon in homogeneous and isotropic Jordan frame (dilatonic) Brans–Dicke cosmologies is examined. We show that the bouncing Brans–Dicke cosmologies do not satisfy the generalized second law of thermodynamics during the contracting phase of evolution.

Keywords:

PACS: 04.50.Kd, 05.70.-a, 98.80.Jk, 98.80-k

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