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Coincident Massless, Minimally Coupled Scalar Correlators on General Cosmological Backgrounds

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arxiv 2302.04808 v2 pith:CFL7QBF6 submitted 2023-02-09 gr-qc astro-ph.COhep-th

E. Kasdagli , Martha Ulloa , R. P. Woodard This is my paper · ORCID
classification gr-qcastro-ph.COhep-th
keywords cosmologicalcoupledgeneralmasslessminimallyscalaranalyticapproximations
verification ladder T0 review T1 audit T2 compute T3 formal
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The coincidence limits of the massless, minimally coupled scalar propagator and its first two derivatives have great relevance for the project of summing up the leading logarithms induced by loops of inflationary gravitons. We use dimensional regularization to derive good analytic approximations for the three quantities on a general cosmological background geometry which underwent inflation.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Resumming Photon Loops for Inflationary Gravity

    gr-qc 2024-12 accept novelty 6.0 of 10

    Photon loops on de Sitter background are conserved at one loop and produce a positive, logarithmically growing correction to the Weyl tensor and Newtonian potential that resums to a power law.

  2. Resummations for Inflationary Quantum Gravity

    gr-qc 2025-01 conditional novelty 3.0 of 10

    Secular logarithms from inflationary graviton loops can be resummed by combining a modified stochastic formalism with a modified renormalization group, though the pure-gravity sector remains incomplete.

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