Dirac neutrinos, dark energy and baryon asymmetry

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Published 20 November 2007 IOP Publishing Ltd
, , Citation Pei-Hong Gu et al JCAP11(2007)016 DOI 10.1088/1475-7516/2007/11/016

1475-7516/2007/11/016

Abstract

We explore a new origin of neutrino dark energy and baryon asymmetry in the universe. The neutrinos acquire small masses through the Dirac seesaw mechanism. The pseudo-Nambu–Goldstone boson associated with neutrino mass generation provides a dark energy candidate. The puzzle of cosmological baryon asymmetry is resolved via neutrinogenesis.

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10.1088/1475-7516/2007/11/016