Mathematics – Logic
Scientific paper
Oct 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aps..4cf.h4008a&link_type=abstract
American Physical Society, Four Corners Section of the APS Fall Meeting, October 6-7, 2006, abstract #H4.008
Mathematics
Logic
Scientific paper
We examine the effect on cosmological evolution of adding a string motivated Gauss-Bonnet term to the traditional Einstein-Hilbert action for a (1 + 3) + d dimensional Friedman-Robertson- Walker (FRW) metric. By assuming that the additional dimensions compactify as the usual 3 spatial dimensions expand, we find that the Gauss Bonnet terms give perturbative corrections to the FRW equations. We find corrections that appear in the calculation of both the Hubble constant, H0, and the acceleration parameter, q0, for a variety of cases that are consistent with a dark energy equation of state.
Andrew Keith
Bolen Brett
Middleton Chad
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