Interplay between gravity and quintessence: a set of new GR solutions (original) (raw)

Abstract

A set of new exact analytical General Relativity (GR) solutions with time-dependent and spatially inhomogeneous quintessence demonstrate 1) a static non-empty spacetime with a horizon-type singular surface; 2) time-dependent spatially homogeneous 'spheres' which are completely different in geometry from the Friedmann isotropic models; 3) infinitely strong anti-gravity at a 'true' singularity where the density is infinitely large. It is also found that 4) the GR solutions allow for an extreme 'density-free' form of energy that can generate regular space-time geometries.

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