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Interacting 3-form dark energy models: distinguishing interactions and avoiding the Little Sibling of the Big Rip

2017-03Journal article Open access
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dc.contributor.authorMorais, João
dc.contributor.authorBouhmadi Lopez, Mariam
dc.contributor.authorKumar, K. Sravan
dc.contributor.authorMarto, João
dc.contributor.authorTavakoli, Yaser
dc.date.accessioned2018-03-12T09:28:39Z
dc.date.available2021-03-01T01:30:10Z
dc.date.issued2017-03
dc.description.abstractIn this paper we consider 3-form dark energy (DE) models with interactions in the dark sector. We aim to distinguish the phenomenological interactions that are defined through the dark matter (DM) and the DE energy densities. We do our analysis mainly in two stages. In the first stage, we identify the non-interacting 3-form DE model which generically leads to an abrupt late-time cosmological event which is known as the little sibling of the Big Rip (LSBR). We classify the interactions which can possibly avoid this late-time abrupt event. We also study the parameter space of the model that is consistent with the interaction between DM and DE energy densities at present as indicated by recent studies based on BAO and SDSS data. In the later stage, we observationally distinguish those interactions using the statefinder hierarchy parameters {S3(1),S4 (1)},{S3 (1),S5 (1)} . We also compute the growth factor parameter ε(z) for the various interactions we consider herein and use the composite null diagnostic (CND) {S3(1), ε(z)} as a tool to characterise those interactions by measuring their departures from the concordance model. In addition, we make a preliminary analysis of our model in light of the recently released data by SDSS~III on the measurement of the linear growth rate of structure.pt_PT
dc.description.sponsorshipThe work of MBL is supported by the Portuguese Agency “Fundação para a Ciência e Tecnologia” through an Investigador FCT Research contract, with reference IF/01442/2013/ CP1196/CT0001. She also wishes to acknowledge the partial support from the Basque government Grant No. IT592-13 (Spain) and FONDOS FEDER under grant FIS2014-57956-P (Spanish government). JMorais is thankful to UPV/EHU for a PhD fellowship and UBI for hospitality during the completion of part of this work and acknowledges the support from the Basque government Grant No. IT592-13 (Spain) and FONDOS FEDER under grant FIS2014-57956-P (Spanish Government). SK acknowledges for the support of grant SFRH/BD/51980/2012 from Portuguese “Fundação para a Ciência e Tecnologia”and is thankful to the hospitality of University of Basque country where part of this work was carried out. YT wishes to acknowledge the financial support from INEF (Iran). He also thanks the Brazilian agencies CAPES and FAPES for partial financial support. This research work is supported by the grant UID/MAT/00212/2013. The authors acknowledge the COST Action CA15117 (CANTATA).
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.dark.2016.11.002pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/4614
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationWhat is the hand that rocks the "cradle” of the accelerating universe?
dc.relationINFLATION AND STRING THEORY
dc.relationCenter of Mathematics and Applications of University of Beira Interior
dc.relation.publisherversionhttps://doi.org/10.1016/j.dark.2016.11.002pt_PT
dc.subjectCosmologypt_PT
dc.subjectFuture singularitiespt_PT
dc.titleInteracting 3-form dark energy models: distinguishing interactions and avoiding the Little Sibling of the Big Rippt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleWhat is the hand that rocks the "cradle” of the accelerating universe?
oaire.awardTitleINFLATION AND STRING THEORY
oaire.awardTitleCenter of Mathematics and Applications of University of Beira Interior
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Investigador FCT/IF%2F01442%2F2013%2FCP1196%2FCT0001/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F51980%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FMAT%2F00212%2F2013/PT
oaire.citation.endPage30pt_PT
oaire.citation.startPage7pt_PT
oaire.citation.volume15pt_PT
oaire.fundingStreamInvestigador FCT
oaire.fundingStreamOE
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMorais
person.familyNameBouhmadi Lopez
person.familyNameKUMAR
person.familyNamePedro de Jesus Marto
person.familyNameTavakoli
person.givenNameJoão
person.givenNameMariam
person.givenNameK. SRAVAN
person.givenNameJoão
person.givenNameYaser
person.identifierhttps://scholar.google.com/citations?user=kA-uFTYAAAAJ&hl=en
person.identifier.ciencia-idCF1F-8611-C989
person.identifier.ciencia-id5014-F2B1-1CEC
person.identifier.ciencia-id2F16-67B1-A930
person.identifier.ciencia-id9812-C08C-3084
person.identifier.orcid0000-0001-5090-8015
person.identifier.orcid0000-0002-1529-1889
person.identifier.orcid0000-0002-3126-8195
person.identifier.orcid0000-0003-3974-9177
person.identifier.orcid0000-0003-0099-5100
person.identifier.scopus-author-id55756497200
person.identifier.scopus-author-id6508339470
person.identifier.scopus-author-id56896293800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.embargofctPhysics of the Dark Universe (ESSN: 2212-6864) - Author's post-print on open access repository after an embargo period of between 12 months and 48 monthspt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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