Currents, charges, and canonical structure of pseudodual chiral models

Thomas Curtright, Cosmas Zachos

Research output: Contribution to journalArticlepeer-review

123 Scopus citations


We discuss the pseudodual chiral model to illustrate a class of two-dimensional theories which have an infinite number of conservation laws but allow particle production, at variance with naive expectations. We describe the symmetries of the pseudodual model, both local and nonlocal, as transmutations of the symmetries of the usual chiral model. We refine the conventional algorithm to more efficiently produce the nonlocal symmetries of the model, and we discuss the complete local current algebra for the pseudodual theory. We also exhibit the canonical transformation which connects the usual chiral model to its fully equivalent dual, further distinguishing the pseudodual theory.

Original languageEnglish (US)
Pages (from-to)5408-5421
Number of pages14
JournalPhysical Review D
Issue number10
StatePublished - 1994

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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