Polyakov loop in various representations in the confined phase of QCD

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

Research output: Contribution to journalArticleResearchpeer-review

18 Citations (Scopus)


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 languageEnglish
Article number076006
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number7
Publication statusPublished - 8 Apr 2014


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