Two-dimensional Yang-Mills theory in the leading 1/N expansion revisited

Giuseppe Nardelli, Antonio Bassetto, A. Shuvaev

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

6 Citazioni (Scopus)


We obtain a formal solution of an integral equation for qqˉ bound states, depending on a parameter \eta which interpolates between 't Hooft's (\eta=0) and Wu's (\eta=1) equations. We also get an explicit approximate expression for its spectrum for a particular value of the ratio of the coupling constant to the quark mass. The spectrum turns out to be in qualitative agreement with 't Hooft's as long as \eta \neq 1. In the limit \eta=1 (Wu's case) the entire spectrum collapses to zero, in particular no rising Regge trajectories are found.
Lingua originaleEnglish
pagine (da-a)451-460
Numero di pagine10
Stato di pubblicazionePubblicato - 1997


  • bound states
  • planar Yang Mills

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