Background gravitational waves as signature of the adiabatic expansion of a black body that represents the dark universe
Cláudio Nassif Cruz,
A.C. Amaro de Faria Jr.
Abstract:We propose a toy model of a spherical universe made up of an exotic dark gas with temperature $T$ in thermal equilibrium with a black-body in adiabatic expansion. Each particle of this exotic gas mimics a kind of particle of dark energy represented by the vacuum energy, being quantized into virtual particles with extremely small masses that form such gas representng the own tissue of the expanding space-time governed by a negative pressure whose origin is the equation of state (EOS) of vacuum, i.e., $p=-\rho$,… Show more
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