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Compact extra dimensions as the source of primordial black holes

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dc.contributor.authorNikulin, V. V.
dc.contributor.authorKrasnov, M. A.
dc.contributor.authorRubin, S. G.
dc.contributor.authorНикулин, Валерий Владимирович
dc.contributor.authorКраснов, Максим Александрович
dc.contributor.authorРубин, Сергей Георгиевич
dc.date.accessioned2024-12-25T18:11:51Z
dc.date.available2024-12-25T18:11:51Z
dc.date.issued2022
dc.description.abstractThis article discusses a model of primordial black hole (PBH) formation at the reheating stage. These small/massive black holes appear due to the specific properties of the compact extra dimensions. The latter gives rise to the low energy model, containing an effective scalar field potential capable of domain wall production. Formed during inflation, these walls are quite dense, meaning they collapse soon after inflation ends. Discussion of the model is framed by the scope of multidimensional f ( R )-gravity. We study the possibility of the pure gravitational formation of primordial black holes (PBHs). Interpreting the scalar curvature of compact extra space R n as an effective scalar field in an Einstein framework and consider effective scalar-field theory that might potentially be capable of producing domain walls with a certain choice of parameters. Hence, we demonstrate that f ( R )-gravity contains a mechanism for PBH formation. The study assumed that cosmological inflation is an external process, which satisfied all the cosmological constraints on our mechanism.
dc.identifier.citationNikulin, V. V. Compact extra dimensions as the source of primordial black holes / Nikulin, V. V., Krasnov, M. A., Rubin, S. G. // Frontiers in Astronomy and Space Sciences. - 2022. - 9. - 10.3389/fspas.2022.927144
dc.identifier.doi10.3389/fspas.2022.927144
dc.identifier.urihttps://www.doi.org/10.3389/fspas.2022.927144
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85148377107&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000868511800001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/28364
dc.relation.ispartofFrontiers in Astronomy and Space Sciences
dc.titleCompact extra dimensions as the source of primordial black holes
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume9
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