String Breaking in Non-Abelian Gauge Theories with Fundamental Matter Fields

Details String Breaking in Non-Abelian Gauge Theories with Fundamental Matter Fields String Breaking in Non-Abelian Gauge Theories with Fundamental Matter Fields

1998-07-09

arxiv.org/abs/hep-lat/9807020v2

Phys.Rev.Lett. 81 (1998) 4056-4059; Erratum-ibid. 83 (1999) 2684

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 2 figures; equations (4)-(6) corrected, numerical results and conclusions unchanged

Scientific paper

10.1103/PhysRevLett.81.4056

We present clear numerical evidence for string breaking in three-dimensional SU(2) gauge theory with fundamental bosonic matter through a mixing analysis between Wilson loops and meson operators representing bound states of a static source and a dynamical scalar. The breaking scale is calculated in the continuum limit. In units of the lightest glueball we find $r_{\rm b} m_G\approx13.6$. The implications of our results for QCD are discussed.

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