DOI 10.1007/s100529800941
Confinement from a scalar-gluon coupling in gauge theory
R. Dick
Sektion Physik der Ludwig-Maximilians-Universität, Theresienstr. 37, D-80333 München, Germany
Received: 18 May 1998 / Published online: 26 August 1998
Abstract
A model is introduced with a massive
scalar coupling to the Yang-Mills term
in four-dimensional gauge theory.
It is shown that the resulting potential of colour sources consists
of a short distance Coulomb interaction and a confining part
dominating at large distances. Far
away from the source the scalar vanishes 
while the potential
diverges linearly.
Up to an Nc-dependent factor of order 1 the tension parameter in the
model is gmf, where m denotes the mass of the scalar and f is
a coupling scale entering the scalar-gluon coupling.
Copyright Springer-Verlag
