Unveiling Phase Space Modifications: A Clash of Modified Gravity and the Generalized Uncertainty Principle
Physical Review D(2024)
摘要
This study explores the link between Modified Gravity and modifications of phase space volume. Analyzing Fermi gas modifications in the non-relativistic limit of the Ricci-based gravities, we derive a generalized partition function in the grand-canonical ensemble, connecting Modified Gravity models with the Generalized Uncertainty Principle. Using this correspondence, we also establish bounds on the linear Generalized Uncertainty Principle: -6x10(22) less than or similar to sigma less than or similar to 3x 10(22) s/kg m, as well as lower bounds for Palatini f(r) gravity beta >-7.51587 x 10(7) m(2) and Eddington-inspired Born-Infeld gravity epsilon > -1.88 x 10(7) m(2), ensuring microscopic stability. This connection also facilitates testing gravity proposals through tabletop experiments.
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关键词
Generalized Uncertainty Principle,Modified Gravity
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