Journal
PHYSICAL REVIEW D
Volume 105, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.105.044042
Keywords
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Funding
- MINECO (Spain) [PID2019-104397 GB-I00]
- JSPS [18K03615]
- Natural Sciences & Engineering Research Council of Canada [2016-03803]
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We propose a new entropy construct that generalizes existing entropies and converges to known entropy in a specific limit. Applying this construct to Schwarzschild black hole and cosmology models, it is shown that it has the potential to describe inflation and/or holographic dark energy.
We propose a new entropy construct that generalizes the Tsallis, Renyi, Sharma-Mittal, Barrow, Kaniadakis, and loop quantum gravity entropies and reduces to the Bekenstein-Hawking entropy in a certain limit. This proposal is applied to the Schwarzschild black hole and to spatially homogeneous and isotropic cosmology, where it is shown that it can potentially describe inflation and/or holographic dark energy.
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