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JHEP05(2004)027 doi: 10.1088/1126-6708/2004/05/027
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Abstract. We show how the Pohlmeyer invariants of the bosonic string are expressible in terms of DDF invariants. Quantization of the DDF observables in the usual way yields a consistent quantization of the algebra of Pohlmeyer invariants. Furthermore it becomes straightforward to generalize the Pohlmeyer invariants to the superstring as well as to all backgrounds which allow a free field realization of the worldsheet theory.
Key words: Bosonic Strings; Superstrings and Heterotic Strings; Integrable Field Theories
Received 26 March 2004, accepted for publication 11 May 2004 |
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