CPT Violation and Baryogenesis
O. Bertolami, Don Colladay, V. Alan Kostelecký, R. Potting
Abstract
We examine the effects on baryogenesis of spontaneous CPT violation in a string-based scenario. Under suitable circumstances, certain CPT-violating terms can produce a large baryon asymmetry at the grand-unified scale that reduces to the observed value via sphaleron or other dilution mechanisms.
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