Neutrino clustering in growing neutrino quintessence

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Abstract

A growing neutrino mass can stop the dynamical evolution of a dark energy scalar field, thus explaining the "why now" problem. We show that such models lead to a substantial neutrino clustering on the scales of superclusters. Non-linear neutrino lumps form at redshift z ≈ 1 and could partially drag the clustering of dark matter. If observed, large scale non-linear structures could be an indication for a new attractive "cosmon force" stronger than gravity. © 2008 Elsevier B.V. All rights reserved.

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Mota, D. F., Pettorino, V., Robbers, G., & Wetterich, C. (2008). Neutrino clustering in growing neutrino quintessence. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 663(3), 160–164. https://doi.org/10.1016/j.physletb.2008.03.060

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