On gravitational Stefan-Boltzmann law and Casimir effect in FRW universe

被引：0

作者：

A. F. Santos

S. C. Ulhoa

E. P. Spaniol

Faqir C. Khanna

机构：

[1] Universidade Federal de Mato Grosso,Instituto de Física

[2] Universidade de Brasília,International Center of Physics, Instituto de Física

[3] Canadian Quantum Research Center,Department of Physics and Astronomy

[4] UDF Centro Universitário and Centro Universitário de Brasília UniCEUB,Physics Department, Theoretical Physics Institute

[5] University of Victoria,undefined

[6] University of Alberta,undefined

来源：

General Relativity and Gravitation | 2021年 / 53卷

关键词：

Finite temperature; TFD; Teleparallel gravity; Casimir effect; FRW universe;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

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.

引用

共 50 条

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