The Vacuum Energy in a Condensate Model for Spacetime

Details The Vacuum Energy in a Condensate Model for Spacetime The Vacuum Energy in a Condensate Model for Spacetime

1998-12-16

arxiv.org/abs/hep-th/9812129v1

Mod.Phys.Lett. A14 (1999) 2169-2178

Physics

High Energy Physics

High Energy Physics - Theory

Postscript, 10 pages

Scientific paper

10.1142/S0217732399002236

It is shown that a simple model for 4-dimensional quantum gravity based on a 3-dimensional generalization of anyon superconductivity can be regarded as a discrete form of Polyakov's string theory. This suggests that there is a universal negative pressure that is on the order of the string tension divided by the square of the Robertson-Walker scale factor. This is in accord with recent observations of the brightness of distant supernovae, which suggest that at the present time there is a vacuum energy whose magnitude is close to the mass density of an Einstein-de Sitter universe.

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