Abstract
The paper aims to provide an explanation for the tiny value of the cosmological constant and the low vacuum energy density to represent the dark energy. To accomplish this, we will search for a fundamental principle of symmetry in space-time by means of the elimination of the classical idea of rest, by including an invariant minimum limit of speed in the subatomic world. Such a minimum speed, unattainable by particles, represents a preferred reference frame associated with a background field that breaks down the Lorentz symmetry. The metric of the flat space-time shall include the presence of a uniform vacuum energy density, which leads to a negative pressure at cosmological length scales. Thus, the equation of state for the cosmological constant [p(pressure)\(=-\epsilon \) (energy density)] naturally emerges from such a space-time with an energy barrier of a minimum speed. The tiny values of the cosmological constant and the vacuum energy density will be successfully obtained, being in agreement with the observational results of Perlmutter, Schmidt and Riess.
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Acknowledgments
I am specially grateful to Prof. Jonas Durval Cremasco and Juliano S. Gonschorowski for interesting discussions. I thank Carlos Magno Leiras, Cássio Guilherme Reis, A. C. Amaro de Faria Jr., Alisson Xavier, Emílio C. M. Guerra, G. Vicentini and Paulo R. Souza Coelho for their comprehension of this work’s significance.
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Nassif, C. An explanation for the tiny value of the cosmological constant and the low vacuum energy density. Gen Relativ Gravit 47, 107 (2015). https://doi.org/10.1007/s10714-015-1939-8
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DOI: https://doi.org/10.1007/s10714-015-1939-8