Cosmic growth and expansion conjoined

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dc.contributor.authorLinder, Eric V.
dc.creatorLinder, Eric V.
dc.date.accessioned2019-07-20T11:34:28Z
dc.date.available2019-07-20T11:34:28Z
dc.date.issued2017-01-31
dc.description.abstractAbstract Cosmological measurements of both the expansion history and growth history have matured, and the two together provide an important test of general relativity. We consider their joint evolutionary track, showing that this has advantages in distinguishing cosmologies relative to considering them individually or at isolated redshifts. In particular, the joint comparison relaxes the shape degeneracy that makes fσ8(z) curves difficult to separate from the overall growth amplitude. The conjoined method further helps visualization of which combinations of redshift ranges provide the clearest discrimination. We examine standard dark energy cosmologies, modified gravity, and “stuttering” growth, each showing distinct signatures.en_US
dc.identifierDOI:10.1016/j.astropartphys.2016.11.002
dc.identifier.issn09276505
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S092765051630161X
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/4043
dc.language.isoenen_US
dc.relation.ispartofAstroparticle Physics
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.license© 2016 Elsevier B.V. All rights reserved.
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectCosmic accelerationen_US
dc.subjectGrowth of large scale structureen_US
dc.subjectModified gravityen_US
dc.subjectDark energyen_US
dc.titleCosmic growth and expansion conjoineden_US
dc.typeArticleen_US
elsevier.aggregationtypeJournal
elsevier.coverdate2017-01-31
elsevier.coverdisplaydateJanuary 2017
elsevier.endingpage45
elsevier.identifier.doi10.1016/j.astropartphys.2016.11.002
elsevier.identifier.eid1-s2.0-S092765051630161X
elsevier.identifier.piiS0927-6505(16)30161-X
elsevier.openaccess0
elsevier.openaccessarticlefalse
elsevier.openarchivearticlefalse
elsevier.startingpage41
elsevier.teaserCosmological measurements of both the expansion history and growth history have matured, and the two together provide an important test of general relativity. We consider their joint evolutionary track,...
elsevier.volume86
workflow.import.sourcescience

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