Document Detail

Leptogenesis from spin-gravity coupling following inflation.
MedLine Citation:
PMID:  16606075     Owner:  NLM     Status:  PubMed-not-MEDLINE    
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.
Subhendra Mohanty; A R Prasanna; G Lambiase
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Publication Detail:
Type:  Journal Article     Date:  2006-02-24
Journal Detail:
Title:  Physical review letters     Volume:  96     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-04-11     Completed Date:  2006-07-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  071302     Citation Subset:  -    
Physical Research Laboratory, Navrangpura, Ahmedabad 380 009, India.
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