q anti-q interaction in light cone gauge formulations of Yang-Mills theory in (1+1)-dimensions

Giuseppe Nardelli, Antonio Bassetto, D. Colferai

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

8 Citazioni (Scopus)

Abstract

A rectangular Wilson loop with sides parallel to space and time directions is perturbatively evaluated in two light-cone gauge formulations of Yang-Mills theory in 1+1 dimensions, with ``instantaneous'' and ``causal'' interactions between static quarks. In the instantaneous formulation we get Abelian-like exponentiation of the area in terms of CF. In the ``causal'' formulation the loop depends not only on the area, but also on the dimensionless ratio β=LT, 2L and 2T being the lengths of the rectangular sides. Besides it also exhibits dependence on CA. In the limit T→∞ the area law is recovered, but dependence on CA survives. Consequences of these results are pointed out.
Lingua originaleEnglish
pagine (da-a)227-250
Numero di pagine24
RivistaNUCLEAR PHYSICS. B
Volume1997
DOI
Stato di pubblicazionePubblicato - 1997

Keywords

  • planar Yang Mills
  • q anti q interaction

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