On fast CP violating interactions in leptogenesis
arXiv:1004.2546 · doi:10.1088/1475-7516/2010/07/001
Abstract
We show that when the relevant CP violating interactions in leptogenesis are fast, the different matter density asymmetries are determined at each instant by a balance condition between the amount of asymmetry being created and destroyed. This fact allows to understand in a simple way many features of leptogenesis in the strong washout regime. In particular, we find some non-trivial effects of flavour changing interactions that conserve lepton number, which are specially relevant in models for leptogenesis that rely heavily on flavour effects.
V2: To match published version in JCAP. Minor changes, including one figure, with respect to V1. 17 pages, 4 figures
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Cited by in corpus (6)
- Leptogenesis in the Universe
- Mass bounds for baryogenesis from particle decays and the inert doublet model
- Status of rates and rate equations for thermal leptogenesis
- Leptogenesis with small violation of B-L
- Aspects of High Scale Leptogenesis with Low-Energy Leptonic CP Violation
- Non-resonant leptogenesis in seesaw models with an almost conserved B-L