Leptogenesis in a model with Friedberg-Lee symmetry
Takeshi Araki, C. Q. Geng
TL;DR
This paper investigates how a specific Friedberg-Lee symmetric model can explain the universe's matter-antimatter asymmetry through leptogenesis, linking it to CP-violating phases in neutrino mixing.
Contribution
It introduces a model with Friedberg-Lee symmetry that connects leptogenesis to CP phases in the neutrino mixing matrix, providing a new framework for baryon asymmetry.
Findings
Leptogenesis is related to CP-violating phases in the model.
The model can generate the observed baryon asymmetry.
CP phases influence the net matter-antimatter asymmetry.
Abstract
We study the matter-antimatter asymmetry through the leptogenesis mechanism in a specific model with the Friedberg-Lee (FL) symmetry.We relate the leptogenesis with the CP violating Dirac and Majorana phases in the Maki-Nakagawa-Sakata leptonic mixing matrix and illustrate the net baryon asymmetry of the universe in terms of these phases.
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