Coincident Massless, Minimally Coupled Scalar Correlators on General Cosmological Backgrounds
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...
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| creator | Kasdagli, E Ulloa, Martha Woodard, R P |
| description | 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. |
| doi_str_mv | 10.48550/arxiv.2302.04808 |
| format | Article |
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| subjects | Correlators Gravitons Physics - Cosmology and Nongalactic Astrophysics Physics - General Relativity and Quantum Cosmology Physics - High Energy Physics - Theory Regularization |
| title | Coincident Massless, Minimally Coupled Scalar Correlators on General Cosmological Backgrounds |
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