Construction of a new constrained instanton in Yang-Mills-Higgs theory

Abstract

A self-consistent ansatz is presented for a four-dimensional euclidean solution (instanton) in the vacuum sector of constrained SU(2) Yang-Mills-Higgs theory.

Comments: Version published. 19 pages LaTeX, including 2 Postscript figures. The complete ps-file is also available via WWW under http://www-itp.physik.uni-karlsruhe.de/prep/prep.html