2020
DOI: 10.1142/s0218271820500273
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Weyl transformation: A dynamical degree of freedom in the light of Dirac’s Large Number hypothesis

Abstract: In Einstein’s Field Equation (EFE), the geometry of the spacetime is connected with the matter distribution. The geometry or the gravitational sector deals with classical macroscopic objects involving gravitational units while the matter sector can be better described by quantum theory involving atomic units. It has been argued by Bisabr [ arXiv:gr-qc/1904.09336 ] that there exists an epoch-dependent conversion factor between these two unit systems present in two different conformal frames, i.e. the conformal … Show more

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Cited by 2 publications
(1 citation statement)
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“…In the study conducted by Weinberg [10], different approaches were adopted for obtaining solutions to this problem. In particular, Wetterich [15] proposed a model, wherein the energy momentum tensor was adjusted dynamically such that the cosmological constant became time-dependent. A large vacuum energy density is usually necessary in different inflationary models to produce sufficient inflation.…”
Section: Introductionmentioning
confidence: 99%
“…In the study conducted by Weinberg [10], different approaches were adopted for obtaining solutions to this problem. In particular, Wetterich [15] proposed a model, wherein the energy momentum tensor was adjusted dynamically such that the cosmological constant became time-dependent. A large vacuum energy density is usually necessary in different inflationary models to produce sufficient inflation.…”
Section: Introductionmentioning
confidence: 99%