Scalar Field Equations from Quantum Gravity during Inflation

Details Scalar Field Equations from Quantum Gravity during Inflation Scalar Field Equations from Quantum Gravity during Inflation

2007-10-28

arxiv.org/abs/0710.5282v1

Phys.Rev.D77:084012,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

19 pages, 5 tables

Scientific paper

10.1103/PhysRevD.77.084012

We exploit a previous computation of the self-mass-squared from quantum gravity to include quantum corrections to the scalar evolution equation. The plane wave mode functions are shown to receive no significant one loop corrections at late times. This result probably applies as well to the inflaton of scalar-driven inflation. If so, there is no significant correction to the $\phi \phi$ correlator that plays a crucial role in computations of the power spectrum.

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