Transport equations for chiral fermions to order \hbar and electroweak baryogenesis: Part II

Details Transport equations for chiral fermions to order \hbar and electroweak baryogenesis: Part II Transport equations for chiral fermions to order \hbar and electroweak baryogenesis: Part II

2004-06-11

arxiv.org/abs/hep-ph/0406140v1

Annals Phys. 314 (2004) 267-320

Physics

High Energy Physics

High Energy Physics - Phenomenology

52 pages, 12 figures; continuation of hep-ph/0312110; accepted for publication in Annals of Physics

Scientific paper

10.1016/j.aop.2004.06.001

This is the second in a series of two papers. While in Paper I we derive semiclassical Boltzmann transport equations and study their flow terms, here we address the collision terms. We use a model Lagrangean, in which fermions couple to scalars through Yukawa interactions and approximate the self-energies by the one-loop expressions. This approximation already contains important aspects of thermalization and scatterings required for quantitative studies of transport in plasmas. We compute the CP-violating contributions to both the scalar and the fermionic collision term.

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