Three-quark potentials in an $SU(3)$ effective Polyakov loop model

Abstract

Three-quark potentials are studied in great details in the three-dimensional $SU(3)$ pure gauge theory at finite temperature, for the cases of static sources in the fundamental and adjoint representations. For this purpose, the corresponding Polyakov loop model in its simplest version is adopted. The potentials in question, as well as the conventional quark--anti-quark potentials, are calculated numerically both in the confinement and deconfinement phases. Results are compared to available analytical predictions at strong coupling and in the limit of large number of colors $N$. The three-quark potential is tested against the expected $\Delta$ and $Y$ laws and the $3q$ string tension entering these laws is compared to the conventional $q\bar{q}$ string tension. As a byproduct of this investigation, essential features of the critical behaviour across the deconfinement transition are elucidated.

arXiv comment28 pages, 18 figures, 4 tables; some text and a few references added; version accepted for publication on Nucl. Phys. B

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Cited by in corpus (5)

• Dual formulations of Polyakov loop lattice models
• Dual simulation of a Polyakov loop model at finite baryon density: phase diagram and local observables
• Three-quark potential at finite temperature and chemical potential
• Boundary action and profile of effective bosonic strings
• Lattice gauge theories in the strong coupling and static limits as a sign-problem-free Ising model