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Spatial Wilson loop in continuum, deconfining SU(2) Yang-Mills thermodynamics

The uniquess of the effective actions describing 4D SU(2) and SU(3) continuum, infinite-volume Yang-Mills thermodynamics in their deconfining and preconfining phases is made explicit. Subsequently, the spatial string tension is computed in the approach proposed by Korthals-Altes. This SU(2) calculat...

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Hauptverfasser: Ludescher, Josef H. (VerfasserIn) , Keller, Jochen (VerfasserIn) , Giacosa, Francesco (VerfasserIn) , Hofmann, Ralf (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 2010
In: Annalen der Physik
Year: 2010, Jahrgang: 522, Heft: 1/2, Pages: 102-120
ISSN:1521-3889
DOI:10.1002/andp.201052201-210
Online-Zugang:Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1002/andp.201052201-210
Verlag, lizenzpflichtig, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/andp.201052201-210
Volltext
Verfasserangaben:Josef Ludescher, Jochen Keller, Francesco Giacosa, and Ralf Hofmann
Beschreibung
Zusammenfassung:The uniquess of the effective actions describing 4D SU(2) and SU(3) continuum, infinite-volume Yang-Mills thermodynamics in their deconfining and preconfining phases is made explicit. Subsequently, the spatial string tension is computed in the approach proposed by Korthals-Altes. This SU(2) calculation is based on a particular, effective two-loop correction to the pressure needed for the extraction of the hypothetic number density of isolated and screened magnetic monopoles or antimonopoles in the deconfining phase. By exponentiating the exchange of the tree-level massless but one-loop dressed mode within a quadratic spatial contour of side-length L in the effective theory we demonstrate that for L → ∞ the Wilson loop exhibits perimeter law. This is in contrast to a rigorous lattice result subject to the Wilson action and for this action valid at sufficiently high temperature. In the framework of the effective theory there is, however, a regime for small (spatially unresolved) L were the exponent of the spatial Wilson loop possesses curvature as a function of L.
Beschreibung:Online veröffentlicht am 16. Dezember 2009
Gesehen am 19.04.2023
Beschreibung:Online Resource
ISSN:1521-3889
DOI:10.1002/andp.201052201-210

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