Note on gravitational baryogenesis
Journal Article
·
· Physical Review. D, Particles Fields
- Department of Physics, University of Tehran, P.O.B. 14395-547, Tehran 14399-55961 (Iran, Islamic Republic of)
The coupling between Ricci scalar curvature and the baryon number current dynamically breaks CPT in an expanding universe and leads to baryon asymmetry. We study the effect of time dependence of the equation of state parameter of the Friedmann-Robertson-Walker universe on this asymmetry.
- OSTI ID:
- 21024015
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 12 Vol. 76; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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