A Diffusion Model for SU(N) QCD Screening

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dc.creatorArcioni, Giovanni
dc.creatorde Haro, Sebastian
dc.creatorGao, Peng
dc.date2005-11-21
dc.date.accessioned2026-07-07T11:06:20Z
dc.date.available2026-07-07T11:06:20Z
dc.descriptionWe consider a phenomenological model for the dynamics of Wilson loops in pure SU(N) QCD where the expectation value of the loop is the average over an interacting diffusion process on the group manifold SU(N). The interaction is provided by an arbitrary potential that generates the transition from the Casimir scaling regime into the screening phase of the four-dimensional gauge theory. The potential is required to respect the underlying center symmetry of the gauge theory, and this predicts screening of arbitrary SU(N) representations to the corresponding antisymmetric representations of the same N-ality. The stable strings before the onset of screening are therefore the k-strings. In the process we find a non-trivial but solvable modification of the QCD_2 matrix model that involves an arbitrary potential.
dc.description33 pages
dc.identifierhttps://arxiv.org/abs/hep-th/0511213
dc.identifierhttp://arxiv.org/abs/hep-th/0511213
dc.identifierPhys.Rev.D73:074508,2006
dc.identifierdoi:10.1103/PhysRevD.73.074508
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/189487
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectMathematical Physics
dc.titleA Diffusion Model for SU(N) QCD Screening
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