Quantum gravity slows inflation

Details Quantum gravity slows inflation Quantum gravity slows inflation

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996fugv.reptr....t&link_type=abstract

Technical Report, Florida Univ. Gainesville, FL United States Dept. of Physics.

Physics

Inflating, Cosmology, Universe, Quantum Theory, Gravitation, Isotropy, Loops, Theorems

Scientific paper

We consider the quantum gravitational back-reaction on an initially inflating, homogeneous and isotropic universe whose topology is T3 x R. Although there is no secular effect at one loop, an explicit calculation shows that two-loop processes act to slow the rate of expansion by an amount which becomes non-pertubatively large at late times. By exploiting Feynman's tree theorem we show that all higher loops act in the same sense.

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