On emergent gravity, ungravity and Λ

Díaz-Barrón, Luis Rey; Sabido, M.

doi:10.1016/j.physletb.2021.136365

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Frw Cosmology From Clausius Equation1

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2024

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Cited by 6 publications

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“…As suggested in [10], this approach has the advantage that it can be generalized to other entropies. For example, including an appropriate term on the entropy area relationship, an effective cosmological constant is obtained [12,13]. We can also use non-extensive entropies 2 , in particular, we will consider Obregón's entropies.…”

Section: Frw Cosmology From Clausius Equationmentioning

confidence: 99%

Cosmology and Non-additive Entropy

Martínez-Merino¹,

Sabido²

2022

Preprint

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Non-additive entropies have been proposed as alternatives to understanding the thermodynamics of Black Holes. Moreover, it has been suggested that the difficulties of quantization of gravity are an indication that gravity is an emergent phenomenon, and therefore an entropic formulation is warranted. In this work, we explore cosmologies that come from non-additive entropies. We focus our study on the cosmologies derived from entropies in superstatistics.

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Section: Frw Cosmology From Clausius Equationmentioning

confidence: 99%