A GRASSMANN REPRESENTATION OF THE HUBBLE PARAMETER

DOI10.1142/S0217732301005357zbMATH Open1138.83395arXivgr-qc/0109071MaRDI QIDQ3508350

Author name not available (Why is that?)

Publication date: 27 June 2008

Published in: Modern Physics Letters A (Search for Journal in Brave)

Abstract: The Riccati equation for the Hubble parameter H of barotropic FRW cosmologies in conformal time for kappa eq 0 spatial geometries and in comoving time for the kappa =0 geometry, respectively, is generalized to odd Grassmannian time parameters. We obtain a system of simple differential equations for the four supercomponents (two of even type and two of odd type) of the Hubble superfield function {cal H} that is explicitly solved. The second even Hubble component does not have an evolution governed by general relativity although there are effects of the latter upon it

Full work available at URL: https://arxiv.org/abs/gr-qc/0109071

Mathematics Subject Classification ID

Relativistic cosmology (83F05)

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