Leptogenesis and its Electromagnetic Variant

TL;DR

This paper explores how the universe's matter-antimatter asymmetry could originate from leptogenesis, introducing a novel electromagnetic decay mechanism involving CP violation as a key factor.

Contribution

It proposes a new electromagnetic leptogenesis model where CP violation in electromagnetic decays drives baryon asymmetry.

Findings

Introduction of a new electromagnetic leptogenesis mechanism

CP violation in electromagnetic decays as a central role

Potential implications for understanding matter-antimatter asymmetry

Abstract

We briefly explain how the present baryon-antibaryon asymmetry of the universe could have arisen through leptogenesis, and then discuss a new version of leptogenesis in which CP violation in electromagnetic decays plays the central role.