Electroweak baryogenesis and hierarchy

Tomohiro Matsuda

Published 2001-02-05, updated 2001-07-28Version 4

We consider the scenario of electroweak baryogenesis mediated by cosmological defects in a model of extra dimension. We consider the domain wall on the brane in higher-dimensional theories.The electroweak breaking scale is suppressed and the sphaleron interaction is activated in the false vacuum.