Abstract
We establish an indirect link between relic neutrinos and the dark energy sector whichoriginates from the vacuum energy contributions of the neutrino quantum fields. Viarenormalization group effects they induce a running of the cosmological constant with timewhich dynamically influences the evolution of the cosmic neutrino background. Wedemonstrate that the resulting reduction of the relic neutrino abundance allows us tolargely evade current cosmological neutrino mass bounds and discuss how the scenariomight be probed with the help of future large scale structure surveys and Planckdata.
Highlights
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Summary
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