Baryogenesis at the Electroweak Scale and Above

Abstract

We consider origins of the baryon asymmetry which we observe today. We review the progress of electroweak-scale baryogenesis, and show a new mechanism, string-scale baryogenesis.

35 pages, Latex, uses epsf, 5 figures. To be published in the proceedings of 5th KEK Meeting on CP Violation and Its Origin, Tsukuba, Japan, 6-7 Mar 1997. References added