Are two-dimensional Yang-Mills gauge theories "color" dependent?

Ling Fong Li, Jorge F. Willemsen

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


If the symmetry of the theory under global transformations generated by the charges is normal, the physical states of the system must be "color" singlets. (This is analogous to the physical states of two-dimensional quantum electrodynamics being neutral.) Consequently, the local color currents vanish in physical states. The (two-dimensional) inhomogeneous Lorentz invariance of the theory is also discussed.

Original languageEnglish (US)
Pages (from-to)4087-4094
Number of pages8
JournalPhysical Review D
Issue number12
StatePublished - 1974
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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