Modified Gravity Away from a Lambda CDM Background [Article]

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dc.contributor.authorBrando, Guilherme
dc.contributor.authorFalciano, Felipe T.
dc.contributor.authorLinder, Eric V.
dc.contributor.authorVelten, Hermano E. S.
dc.date.accessioned2019-07-19T05:08:25Z
dc.date.available2019-07-19T05:08:25Z
dc.date.issued2019-05-01
dc.descriptionEnergetic Cosmos Laboratory. ECL Publication, 2019en_US
dc.description.abstractWithin the effective field theory approach to cosmic acceleration, the background expansion can be specified separately from the gravitational modifications. We explore the impact of modified gravity in a background different from a cosmological constant plus cold dark matter (ΛCDM) on the stability and cosmological observables, including covariance between gravity and expansion parameters. In No Slip Gravity the more general background allows more gravitational freedom, including both positive and negative Planck mass running. We examine the effects on cosmic structure growth, as well as showing that a viable positive integrated Sachs-Wolfe effect crosscorrelation easily arises from this modified gravity theory.en_US
dc.identifier.citationBrando, G., Falciano, F.T, Linder, E.V., & Velten, H. (2019). Modified Gravity Away from a Lambda CDM Background. The 2nd international conference of the Energetic Cosmos Laboratory (ECL) at Nazarbayev University. Retrieved from https://arxiv.org/pdf/1904.12903.pdfen_US
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/4014
dc.language.isoenen_US
dc.publisherNURIS; Energetic Cosmos Laboratoryen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectThe 2nd international conference of the Energetic Cosmos Laboratory (ECL)en_US
dc.subjectEnergetic Cosmos Laboratory (ECL)en_US
dc.subjectECL19en_US
dc.titleModified Gravity Away from a Lambda CDM Background [Article]en_US
dc.typeArticleen_US
workflow.import.sourcescience

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