Cosmology with massive neutrinos coupled to dark energy

Abstract

Cosmological consequences of a coupling between massive neutrinos and dark energy are investigated. In such models, the neutrino mass is a function of a scalar field, which plays the role of dark energy. The evolution of the background and cosmological perturbations are discussed. We find that mass-varying neutrinos can leave a significant imprint on the anisotropies in the cosmic microwave background and even lead to a reduction of power on large angular scales.

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Item Type:	Article
Authors/Creators:	Brookfield, A.W. van de Bruck, C. Mota, D.F. Tocchini-Valentini, D.
Copyright, Publisher and Additional Information:	©2006 American Physical Society. This is an author produced version of a paper subsequently published in Physical Review Letters. Uploaded in accordance with the publisher's self-archiving policy.
Dates:	Published: 13 February 2006
Institution:	The University of Sheffield
Academic Units:	The University of Sheffield > Faculty of Science (Sheffield) > School of Mathematics and Statistics (Sheffield)
Depositing User:	Symplectic Sheffield
Date Deposited:	25 Aug 2017 12:32
Last Modified:	20 Mar 2018 22:44
Published Version:	https://doi.org/10.1103/PhysRevLett.96.061301
Status:	Published
Publisher:	American Physical Society
Refereed:	Yes
Identification Number:	10.1103/PhysRevLett.96.061301
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:120581

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Cosmology with massive neutrinos coupled to dark energy

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