Studying Electroweak Baryogenesis using Evenisation and the Wigner Formalism

Details Studying Electroweak Baryogenesis using Evenisation and the Wigner Formalism Studying Electroweak Baryogenesis using Evenisation and the Wigner Formalism

2004-12-08

arxiv.org/abs/hep-ph/0412108v2

JHEP0503:057,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

no figures (Error in indentification of antiparticle states corrected.)

Scientific paper

10.1088/1126-6708/2005/03/057

We derive the kinetic equation for fermions and antifermions interacting with a planar Higgs bubble wall during the electroweak phase transition using the `evenisation' procedure and the Wigner formalism for a Lagrangian with the phase of the complex fermion mass rotated away. We obtain the energy, velocity and force for the particles in the presence of the Higgs bubble wall. Our results using both methods are in agreement. This indicates the robustness of evenisation as a method to study quantum corrections to the velocity and force for particles in the Higgs wall during the electroweak phase transition. We also derive the transport equations from the zeroth and first moment of the kinetic equation.

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