| Leptogenesis from spin-gravity coupling following inflation. | |
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MedLine Citation:
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PMID: 16606075 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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The energy levels of the left- and the right-handed neutrinos are split in the background of gravitational waves generated during inflation, which, in presence of lepton-number-violating interactions, gives rise to a net lepton asymmetry at equilibrium. Lepton number violation is achieved by the same dimension five operator which gives rise to neutrino masses after electroweak symmetry breaking. A net baryon asymmetry of the same magnitude can be generated from this lepton asymmetry by electroweak sphaleron processes. |
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Authors:
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Subhendra Mohanty; A R Prasanna; G Lambiase |
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Publication Detail:
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Type: Journal Article Date: 2006-02-24 |
Journal Detail:
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Title: Physical review letters Volume: 96 ISSN: 0031-9007 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2006 Feb |
Date Detail:
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Created Date: 2006-04-11 Completed Date: 2006-07-06 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 071302 Citation Subset: - |
Affiliation:
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Physical Research Laboratory, Navrangpura, Ahmedabad 380 009, India. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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