paper

Graviton Corrections to Vacuum Polarization during Inflation

arXiv:1304.7265 · doi:10.1088/0264-9381/31/1/015010

Abstract

We use dimensional regularization to compute the one loop quantum gravitational contribution to the vacuum polarization on de Sitter background. Adding the appropriate BPHZ counterterms gives a fully renormalized result which can be used to quantum correct Maxwell's equations. We use the Hartree approximation to argue that the electric field strengths of photons experience a secular suppression during inflation.

36 pages, 1 figure, uses LaTeX 2e, version 2 corrects a number of significant errors, version 3 corrects a number of typos and presents the (unchanged) final result in a more compact form

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