Gluon Chain Model of the Confining Force

Details Gluon Chain Model of the Confining Force Gluon Chain Model of the Confining Force

2001-12-25

arxiv.org/abs/hep-ph/0112326v1

JHEP 0202 (2002) 014

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 5 figures, latex2e

Scientific paper

10.1088/1126-6708/2002/02/014

We develop a picture of the QCD string as a chain of constituent gluons, bound by attractive nearest-neighbor forces which may be treated perturbatively. This picture accounts for both Casimir scaling at large N, and the asymptotic center dependence of the static quark potential. We discuss the relevance, to the gluon-chain picture, of recent three-loop results for the static quark potential. A variational framework is presented for computing the minimal energy and wavefunction of a long gluon chain, which enables us to derive both the logarithmic broadening of the QCD flux tube (``roughening''), and the existence of a Luscher -c/R term in the potential.

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