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순수물리이론 연구단
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Aligned natural inflation in the Large Volume Scenario

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dc.contributor.authorStephen Angus-
dc.contributor.authorKang-Sin Choi-
dc.contributor.authorChang Sub Shin-
dc.date.accessioned2021-12-16T05:30:02Z-
dc.date.available2021-12-16T05:30:02Z-
dc.date.created2021-12-15-
dc.date.issued2021-10-29-
dc.identifier.issn1126-6708-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/10864-
dc.description.abstract© 2021, The Author(s).We embed natural inflation in an explict string theory model and derive observables in cosmology. We achieve this by compactifying the type IIB string on a Calabi-Yau orientifold, stabilizing moduli via the Large Volume Scenario, and configuring axions using D7-brane stacks. In order to obtain a large effective decay constant, we employ the Kim-Nilles-Peloso alignment mechanism, with the required multiple axions arising naturally from generically anisotropic bulk geometries. The bulk volumes, and hence the axion decay constants, are stabilized by generalized one-loop corrections and subject to various conditions: the Kähler cone condition on the string geometry; the convex hull condition of the weak gravity conjecture; and the constraint from the power spectrum of scalar perturbations. We find that all constraints can be satisfied in a geometry with relatively small volume and thus heavy bulk axion mass. We also covariantize the convex hull condition for the axion-dilaton-instanton system and verify the normalization of the extremal bound.-
dc.language영어-
dc.publisherSpringer Science and Business Media Deutschland GmbH-
dc.titleAligned natural inflation in the Large Volume Scenario-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000712961400001-
dc.identifier.scopusid2-s2.0-85118709998-
dc.identifier.rimsid76865-
dc.contributor.affiliatedAuthorChang Sub Shin-
dc.identifier.doi10.1007/JHEP10(2021)248-
dc.identifier.bibliographicCitationJournal of High Energy Physics, v.2021, no.10, pp.1 - 49-
dc.relation.isPartOfJournal of High Energy Physics-
dc.citation.titleJournal of High Energy Physics-
dc.citation.volume2021-
dc.citation.number10-
dc.citation.startPage1-
dc.citation.endPage49-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryPhysics, Particles & Fields-
dc.subject.keywordAuthorCosmology of Theories beyond the SM-
dc.subject.keywordAuthorFlux compactifications-
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
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