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Consistency relations in multi-field inflation

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dc.contributor.authorJinn-Ouk Gong-
dc.contributor.authorMin-Seok Seo-
dc.date.available2018-07-18T02:06:10Z-
dc.date.created2018-05-18-
dc.date.issued2018-02-
dc.identifier.issn1475-7516-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/4675-
dc.description.abstractWe study the consequences of spatial coordinate transformation in multi-field inflation. Among the spontaneously broken de Sitter isometries, only dilatation in the comoving gauge preserves the form of the metric and thus results in quantum-protected Slavnov-Taylor identities. We derive the corresponding consistency relations between correlation functions of cosmological perturbations in two different ways, by the connected and one-particle-irreducible Green's functions. The lowest-order consistency relations are explicitly given, and we find that even in multi-field inflation the consistency relations in the soft limit are independent of the detail of the matter sector. © 2018 IOP Publishing Ltd and Sissa Medialab-
dc.language영어-
dc.publisherIOP PUBLISHING LTD-
dc.titleConsistency relations in multi-field inflation-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000424471700006-
dc.identifier.scopusid2-s2.0-85043596745-
dc.identifier.rimsid63404-
dc.contributor.affiliatedAuthorMin-Seok Seo-
dc.identifier.doi10.1088/1475-7516/2018/02/008-
dc.identifier.bibliographicCitationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, no.2, pp.008-
dc.relation.isPartOfJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS-
dc.citation.titleJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS-
dc.citation.number2-
dc.citation.startPage008-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordAuthorcosmological perturbation theory-
dc.subject.keywordAuthorinflation-
dc.subject.keywordAuthorquantum field theory on curved space-
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