Effect of gravitation creation in isotropically expanding universes

Details Effect of gravitation creation in isotropically expanding universes Effect of gravitation creation in isotropically expanding universes

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977phla...63..217h&link_type=abstract

Physics Letters A, Volume 63, Issue 3, p. 217-220.

Physics

48

Scientific paper

Graviton creation in a Robertson-Walker universe is calculated using a
renormalized energy-momentum tensor. If the background matter has an
equation of state p=γϱ, then for γ > 1/3, graviton
energy created near the Planck time tp can alter the
expansion to a~ t1/2 in <~102tp.

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