COSMOLOGICAL CONSTANT AND GRAVITATIONAL REPULSION EFFECT I: HOMOGENEOUS MODELS WITH RADIATION
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Publication:4936951
DOI10.1142/S0218271893000313zbMATH Open0935.83505arXivgr-qc/9305005OpenAlexW3103424278MaRDI QIDQ4936951
Author name not available (Why is that?)
Publication date: 2 February 2000
Published in: (Search for Journal in Brave)
Abstract: Within the framework of the minimum quadratic Poincare gauge theory of gravity in the Riemann-Cartan spacetime we study the influence of gravitational vacuum energy density (a cosmological constant) on the dynamics of various gravitating systems. It is shown that the inclusion of the cosmological term can lead to gravitational repulsion. For some simple cases of spatially homogeneous cosmological models with radiation we obtain non-singular solutions in form of elementary functions and elliptic integrals.
Full work available at URL: https://arxiv.org/abs/gr-qc/9305005
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