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

Abstract

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 $\mathcal{O}(h_t\varphi /\pi T{)}^2$ 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.

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

References in corpus (1)

• Implications of a light stop for the spontaneous CP breaking at finite temperature in a nonminimal supersymmetric standard model

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