Effective confining potentials for QCD

Arkadiusz P. Trawi\'nski; Guy F. de T\'eramond; Hans G\"unter Dosch; Stanis{\l}aw D. G{\l}azek; Stanley J. Brodsky

arxiv: 1403.5651 · v2 · pith:DOBVHWJAnew · submitted 2014-03-22 · ✦ hep-ph

Effective confining potentials for QCD

Arkadiusz P. Trawi\'nski , Stanis{\l}aw D. G{\l}azek , Stanley J. Brodsky , Guy F. de T\'eramond , Hans G\"unter Dosch This is my paper

classification ✦ hep-ph

keywords dynamicspotentialsconfiningformmodelspotentialagreeapproximation

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We observe that the linear potential used as a leading approximation for describing color confinement in the instant form of dynamics corresponds to a quadratic confining potential in the front form of dynamics. In particular, the instant-form potentials obtained from lattice gauge theory and string models of hadrons agree with the potentials determined from models using front-form dynamics and light-front holography, not only in their shape, but also in their numerical strength.

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Gluon mass and small-x dynamics in hadrons
hep-th 2026-06 unverdicted novelty 5.0

Introduces a gluon mass and auxiliary scalar field to cancel small-x divergences in the front-form QCD Hamiltonian, yielding confinement for heavy quarks as the mass parameter is sent to zero.