Quantum Boltzmann equations for electroweak baryogenesis including gauge fields

Details Quantum Boltzmann equations for electroweak baryogenesis including gauge fields Quantum Boltzmann equations for electroweak baryogenesis including gauge fields

2002-01-30

arxiv.org/abs/hep-ph/0201293v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, talk presented by Kimmo Kainulainen at COSMO-01, Rovaniemi, Finland, 09/2001

Scientific paper

We review and extend to include the gauge fields our derivation of the semiclassical limit of the collisionless quantum transport equations for the fermions in presence of a CP-violating bubble wall at a first order electroweak phase transition. We show how the (gradient correction modified) Lorenz-force appears both in the Schwinger-Keldysh approach and in the semiclassical WKB-treatment. In the latter approach the inclusion of gauge fields removes the apparent phase reparametrization dependence of the intermediate calculations. We also discuss setting up the fluid equations for practical calculations in electroweak baryogenesis including the self-consistent (hyper)electric field and the anomaly.

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