Baryon asymmetry in the Universe resulting from Lorentz violation

Abstract

We analyze the phenomenological consequences of a Lorentz violating energy-momentum dispersion relation in order to give a simple explanation for the baryon asymmetry in the Universe. By assuming very few hypotheses, we propose a straightforward mechanism for generating the observed matter-antimatter asymmetry which entails a Lorentz-breakdown energy scale of the order of the Greisen-Zatsepin-Kuzmin cut-off.

7 pages

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Cited by in corpus (9)

• CPT violation and B-meson oscillations
• Searching for CPT Violation with Neutral-Meson Oscillations
• Lorentz and CPT Violation in Partons
• Lorentz-violating dynamics in the pre-Planckian Universe
• Black hole evaporation within a momentum-dependent metric
• Particle-antiparticle asymmetry in a relativistic deformed kinematics
• CPT-violating neutrino oscillations
• Black hole dynamical evolution in a Lorentz-violating spacetime
• Modified Lorentz transformations in deformed special relativity