Particle Asymmetries from Quantum Statistics

Abstract

We consider a class of baryogenesis models where the Lagrangian in the visible sector is Charge-Parity (CP) invariant and a baryon asymmetry is produced only when quantum statistics is taken into account. The CP symmetry is broken by matter effects, namely the assumption that the primordial plasma contains another asymmetric species, such as dark matter. Out-of-equilibrium baryon number violating decays can then generate an asymmetry through Bose enhancement and/or Pauli blocking of certain decay channels.

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References in corpus (5)

• Leptogenesis
• Hylogenesis: A Unified Origin for Baryonic Visible Matter and Antibaryonic Dark Matter
• Large-scale magnetic fields can explain the baryon asymmetry of the Universe
• Evolution of the Baryon Asymmetry through the Electroweak Crossover in the Presence of a Helical Magnetic Field
• Selfish Dark Matter

Cited by in corpus (1)

• A new mechanism for generating particle number asymmetry through interactions