Quantum Gravity Corrections to the One Loop Scalar Self-Mass during Inflation

Details Quantum Gravity Corrections to the One Loop Scalar Self-Mass during Inflation Quantum Gravity Corrections to the One Loop Scalar Self-Mass during Inflation

2007-09-04

arxiv.org/abs/0709.0536v2

Phys.Rev.D76:124005,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

47 pages, 3 figures, 20 tables, uses LaTeX 2 epsilon, version 2 revised for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.76.124005

We compute the one loop corrections from quantum gravity to the self-mass-squared of a massless, minimally coupled scalar on a locally de Sitter background. The calculation was done using dimensional regularization and renormalized by subtracting fourth order BPHZ counterterms. Our result should determine whether quantum gravitational loop corrections can significantly alter the dynamics of a scalar inflaton.

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