Polyakov loop in various representations in the confined phase of QCD

E. Megías; E. Ruiz Arriola; L. L. Salcedo

doi:10.1103/PhysRevD.89.076006

Polyakov loop in various representations in the confined phase of QCD

E. Megías, E. Ruiz Arriola, L. L. Salcedo

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

18 Citations (Scopus)

Abstract

We analyze the expectation value of the Polyakov loop in the fundamental and higher representations in the confined phase of QCD. We discuss a hadroniclike representation and find that the Polyakov loop corresponds to a partition function in the presence of a colored source, explaining its real and positive character. Saturating the sum rules to intermediate temperatures requires a large number of multipartonic excited states. By using constituent or bag models, we find detailed low temperature scaling rules which depart from the Casimir scaling and could be tested by lattice calculations. © 2014 American Physical Society.

Original language	English
Article number	076006
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	89
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.89.076006
Publication status	Published - 8 Apr 2014

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AB - We analyze the expectation value of the Polyakov loop in the fundamental and higher representations in the confined phase of QCD. We discuss a hadroniclike representation and find that the Polyakov loop corresponds to a partition function in the presence of a colored source, explaining its real and positive character. Saturating the sum rules to intermediate temperatures requires a large number of multipartonic excited states. By using constituent or bag models, we find detailed low temperature scaling rules which depart from the Casimir scaling and could be tested by lattice calculations. © 2014 American Physical Society.

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