A Tree Theorem for Inflation

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dc.creatorWeinberg, Steven
dc.date2008-05-24
dc.date2008-08-13
dc.date.accessioned2026-07-07T12:44:36Z
dc.date.available2026-07-07T12:44:36Z
dc.descriptionIt is shown that the generating function for tree graphs in the "in-in" formalism may be calculated by solving the classical equations of motion subject to certain constraints. This theorem is illustrated by application to the evolution of a single inflaton field in a Robertson--Walker background.
dc.descriptionVersion accepted for publication in Phys. Rev. D. 22 pages. Some changes to references and clarification in Introduction
dc.identifierhttps://arxiv.org/abs/0805.3781
dc.identifierhttp://arxiv.org/abs/0805.3781
dc.identifierPhys.Rev.D78:063534,2008
dc.identifierdoi:10.1103/PhysRevD.78.063534
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/220827
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titleA Tree Theorem for Inflation
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