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In this work we present an analysis of the phantom zone in a causal viscous cosmology from a thermodynamic point of view. In this description we consider a chemical potential… Click to show full abstract
In this work we present an analysis of the phantom zone in a causal viscous cosmology from a thermodynamic point of view. In this description we consider a chemical potential and the approach of irreversible processes. We assume a flat universe filled with a single dissipative fluid described by a barotropic equation of state, $p = \omega \rho$. This model allows to construct a negative chemical potential for the phantom regime but also this construction allows us to have positive definite temperature and entropy.
Keywords:
phantom cosmology;
fluid;
cosmology viscous;
cosmology;
thermodynamically allowed;
allowed phantom
Journal Title: Physical Review D
Year Published: 2018
Link to full text (if available)
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Journal Title: Physical Review D
Year Published: 2018
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!