Cosmological models with variable constants

J. A. Belinchon

Cosmological models with variable constants

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arxiv gr-qc/9907003 v3 pith:HC5E537O submitted 1999-07-01 gr-qc

J. A. Belinchon This is my paper · ORCID

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keywords behaviorconsideringconstantscosmologicalmattermodelspredominancevariable

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The behavior of the constants, G,c,h,a,e,m and Lambda, considering them as variable, in the framework of a flat cosmological model with FRW symmetries described by a bulk viscous fluid and considering mechanisms of adiabatic matter creation are investigated. Within two models; one with radiation predominance and another of matter predominance, this behavior are studied.

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Revisiting Varying Speed of Light in Cosmology: Insights from the Friedmann-Lema\^itre-Robertson-Walker Metric
physics.gen-ph 2025-05 reject novelty 2.0 of 10

A varying speed of light in FLRW is presented as gauge freedom via the lapse function, but the key variational derivation omits the √-g measure and the claimed Hubble-tension resolution contradicts Eq. (30).

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