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Particle Creation and Thermal Aspects of Viscous Generalized Cosmic Chaplygin Gas

Department of Mathematics, COMSATS University Islamabad, Lahore-Campus, Lahore-54000, Pakistan
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Symmetry 2019, 11(8), 1039; https://doi.org/10.3390/sym11081039
Received: 19 June 2019 / Revised: 8 July 2019 / Accepted: 19 July 2019 / Published: 12 August 2019
(This article belongs to the Special Issue Viscous Cosmology)
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Abstract

We investigate the particle creation, as well as the thermodynamics phenomenon of viscous generalized cosmic Chaplygin gas as a cosmic fluid by assuming the flat FRW universe. For this purpose, we extract various parameters such as the energy density ( ρ ) , Hubble parameter ( H ) , declaration parameter ( q ) , temperature ( T f ) , and particle number density ( n ) in the presence of three different models of the particle creation rate ( Γ ). We discuss the validity of the generalized second law of thermodynamics and thermal equilibrium condition under three models of Γ and discuss the graphical behavior of above-mentioned terms. View Full-Text
Keywords: particle creation; thermal aspects; viscous fluid; generalized cosmic Chaplygin gas particle creation; thermal aspects; viscous fluid; generalized cosmic Chaplygin gas
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Jawad, A.; Rani, S.; Sultan, M.A. Particle Creation and Thermal Aspects of Viscous Generalized Cosmic Chaplygin Gas. Symmetry 2019, 11, 1039.

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