Diffusion Enhances Spontaneous Electroweak Baryogenesis
A. G. Cohen, D. B. Kaplan, A. E. Nelson
Abstract
We include the effects of diffusion in the electroweak spontaneous baryogenesis scenario and show that it can greatly enhance the resultant baryon density, by as much as a factor of 1/αw4 106 over previous estimates. Furthermore, the baryon density produced is rather insensitive to parameters characterizing the first order weak phase transition, such as the width and propagation velocity of the phase boundary.
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