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kamada,ayuki
순수물리이론연구단
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Dark matter kinetic decoupling with a light particle

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dc.contributor.authorAyuki Kamada-
dc.contributor.authorTomo Takahashi-
dc.date.available2018-03-05T01:03:56Z-
dc.date.created2018-02-14-
dc.date.issued2018-01-
dc.identifier.issn1475-7516-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/4393-
dc.description.abstractWe argue that the acoustic damping of the matter power spectrum is not a generic feature of the kinetic decoupling of dark matter, but even the enhancement (overshooting) can be realized depending on the nature of the kinetic decoupling when compared to that in the standard cold dark matter model. We consider a model that exhibits a sudden kinetic decoupling and investigate cosmological perturbations in the standard cosmological background numerically in the model. We also give an analytic discussion in a simplified setup. Our results indicate that the nature of the kinetic decoupling could have a great impact on small scale density perturbations. (c) 2018 IOP Publishing Ltd and Sissa Medialab-
dc.language영어-
dc.publisherIOP PUBLISHING LTD-
dc.titleDark matter kinetic decoupling with a light particle-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000423606600002-
dc.identifier.scopusid2-s2.0-85041581736-
dc.identifier.rimsid62207ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorAyuki Kamada-
dc.identifier.doi10.1088/1475-7516/2018/01/047-
dc.identifier.bibliographicCitationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, v.2018, no.1, pp.047-
dc.relation.isPartOfJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS-
dc.citation.titleJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS-
dc.citation.volume2018-
dc.citation.number1-
dc.citation.startPage047-
dc.date.scptcdate2018-10-01-
dc.description.wostc1-
dc.description.scptc1-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryAstronomy & Astrophysics-
dc.relation.journalWebOfScienceCategoryPhysics, Particles & Fields-
dc.subject.keywordPlusCOSMOLOGICAL PERTURBATIONS-
dc.subject.keywordPlusRADIATION INTERACTIONS-
dc.subject.keywordPlusGALAXIES-
dc.subject.keywordPlusMODELS-
dc.subject.keywordPlusSCALES-
dc.subject.keywordPlusPOWER-
dc.subject.keywordAuthorcosmological perturbation theory-
dc.subject.keywordAuthorcosmology of theories beyond the SM-
dc.subject.keywordAuthordark matter theory-
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
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