Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 81, Issue 5, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-021-09274-7
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Funding
- DI-VRIEA through Proyecto Postdoctorado 2019 VRIEA-PUCV
- [BEAGAL 18/00207]
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The role of a time-varying Newton constant in the thermodynamics of Friedman equations under the scale-dependent approach is investigated, showing that the extended Friedman equations can be derived from equilibrium or non-equilibrium thermodynamics. A comparison between black hole and cosmological thermodynamics in the framework of scale-dependent gravity is briefly discussed.
In this work, the role of a time-varying Newton constant under the scale-dependent approach is investigated in the thermodynamics of the Friedman equations. In particular, we show that the extended Friedman equations can be derived either from equilibrium thermodynamics when the non-matter energy momentum tensor is interpreted as a fluid or from non-equilibrium thermodynamics when an entropy production term, which depends on the time-varying Newton constant, is included. Finally, a comparison between black hole and cosmological thermodynamics in the framework of scale-dependent gravity is briefly discussed.
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