Particle Currents on a CP Violating Higgs Background and the Spontaneous Baryogenesis Mechanism

Details Particle Currents on a CP Violating Higgs Background and the Spontaneous Baryogenesis Mechanism Particle Currents on a CP Violating Higgs Background and the Spontaneous Baryogenesis Mechanism

1995-04-10

arxiv.org/abs/hep-ph/9504265v1

Phys.Lett.B354:91-98,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, LaTeX file, uses epsf.sty, 4 figures available as a compressed .eps file

Scientific paper

10.1016/0370-2693(95)00645-2

We compute the particle currents induced on a bubble wall background at finite temperature in a model with CP violation in the Higgs sector. Using a field theory approach we show that fermionic currents arise at one loop, so that a suppression factor ${\cal O}(h_t \phi/\pi T)^2$ with respect to previous computations is found. The contributions to the Higgs currents are also derived and their relevancy for the spontaneous baryogenesis mechanism is discussed.

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