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Brans–Dicke Unimodular Gravity

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dc.contributor.authorAlmeida, A. M. R.
dc.contributor.authorFabris, J. C.
dc.contributor.authorDaouda, M. H.
dc.contributor.authorKerner, R.
dc.contributor.authorVelten, H.
dc.contributor.authorHipólito-Ricaldi, W. S.
dc.date.accessioned2024-12-25T16:46:39Z
dc.date.available2024-12-25T16:46:39Z
dc.date.issued2022
dc.description.abstractWe propose a unimodular version of the Brans–Dicke theory designed with a constrained Lagrangian formulation. The resulting field equations are traceless. The vacuum solutions in the cosmological background reproduce the corresponding solutions of the usual Brans–Dicke theory but with a cosmological constant term. A perturbative analysis of the scalar modes is performed and stable and unstable configurations appear, in contrast with the Brans–Dicke case for which only stable configurations occur. On the other hand, tensorial modes in this theory remain the same as in the traditional Brans–Dicke theory. © 2022 by the authors.
dc.identifier.citationBrans–Dicke Unimodular Gravity / Almeida, A.M.R. [et al.] // Universe. - 2022. - 8. - № 8. - 10.3390/universe8080429
dc.identifier.doi10.3390/universe8080429
dc.identifier.urihttps://www.doi.org/10.3390/universe8080429
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85137352904&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000845151700001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/28213
dc.relation.ispartofUniverse
dc.titleBrans–Dicke Unimodular Gravity
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue8
oaire.citation.volume8
relation.isOrgUnitOfPublicationba0b4738-e6bd-4285-bda5-16ab2240dbd1
relation.isOrgUnitOfPublication.latestForDiscoveryba0b4738-e6bd-4285-bda5-16ab2240dbd1
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