String Breaking in SU(2) Yang Mills Theory with Adjoint Sources
High Energy Physics - Lattice
2009-10-31 v1 High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
We compute the static potential in three-dimensional SU(2) Yang Mills Theory with adjoint sources using numerical simulations. By employing a variational approach involving string and gluelump operators, we obtain clear evidence for string breaking in the adjoint potential. The breaking scale r_b is computed and extrapolated to the continuum limit. The result in units of the scalar glueball mass is r_b*m_G = 10.3 +/- 1.5. We also resolve the structure of higher excitations of the flux-tube and gluelumps. Furthermore we discuss the implications of our findings for the case of the four-dimensional theory.
Cite
@article{arxiv.hep-lat/9902003,
title = {String Breaking in SU(2) Yang Mills Theory with Adjoint Sources},
author = {Owe Philipsen and Hartmut Wittig},
journal= {arXiv preprint arXiv:hep-lat/9902003},
year = {2009}
}
Comments
16 pages, 5 postscript figures, LaTeX