Different faces of confinement

Abstract

In this review, we provide a short outlook of some of the currently most popular pictures and promising approaches to non-perturbative physics and confinement in gauge theories. A qualitative and by no means exhaustive discussion presented here covers such key topics as the phases of QCD matter, the order parameters for confinement, the central vortex and monopole pictures of the QCD vacuum structure, fundamental properties of the string tension, confinement realisations in gauge-Higgs and Yang-Mills theories, magnetic order/disorder phase transition among others.

57 pages, 7 figures; an invited review for the Special Issue "Modern Approaches to Non-Perturbative QCD and other Confining Gauge Theories", in Universe 7 (2021) no. 9, 330

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