Analytic solutions for the Bianchi I universe coupled to several barotropic perfect fluids
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DOI: 10.1103/physrevd.110.084059
Abstract: We consider the Bianchi I geometry coupled to several species of comoving barotropic perfect fluids with a linear equation of state in the context of general relativity. The solution of the dynamics can be reduced… read more here.
Keywords: perfect fluids; coupled several; barotropic perfect; analytic solutions ... See more keywords
Axial gravitational waves in Bianchi I universe
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DOI: 10.1142/s0218271820501163
Abstract: In this paper, we have studied the propagation of axial gravitational waves in Bianchi I universe using the Regge-Wheeler gauge. In this gauge, there are only two non-zero components of $ h_{\mu\nu} $ in the… read more here.
Keywords: waves bianchi; gravitational waves; bianchi universe; field equations ... See more keywords
Dynamics of Bianchi V Ih universe with bulk viscous fluid in modified gravity
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Geometric Methods in Modern Physics"
DOI: 10.1142/s0219887818500366
Abstract: In this paper, the dynamical behavior of the anisotropic universe has been investigated in f(R,T) theory of gravity. The functional f(R,T) has been rescaled in the form f(R,T) = μR + μT, where R is… read more here.
Keywords: viscous fluid; gravity; bulk viscous; bianchi universe ... See more keywords