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- Title
On gravitational Stefan-Boltzmann law and Casimir effect in FRW universe.
- Authors
Santos, A. F.; Ulhoa, S. C.; Spaniol, E. P.; Khanna, Faqir C.
- Abstract
Both Stefan-Boltzmann law and the Casimir effect, in a universe described by the FRW metric with zero curvature, are calculated. These effects are described by Thermo Field Dynamics (TFD). The gravitational energy-momentum tensor is defined in the context of Teleparallel Equivalent to General Relativity (TEGR). Each of the two effects gives a consistent prediction with what is observed on a cosmological scale. One of the effect establishes a minimum range for the deceleration parameter. While another leads to the conclusion that a possible cosmological constant has a very small order of magnitude.
- Subjects
CASIMIR effect; GENERAL relativity (Physics); COSMOLOGICAL constant; UNIVERSE; MAGNITUDE (Mathematics); DARK energy
- Publication
General Relativity & Gravitation, 2021, Vol 53, Issue 5, p1
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1007/s10714-021-02826-y