Hidden Symmetries of the Principal Chiral Model and a Nonstandard Loop Algebra
classification
✦ hep-th
keywords
symmetriesalgebrachiralloopmodelprincipalabeliandiscuss
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We examine the precise structure of the loop algebra of `dressing' symmetries of the Principal Chiral Model, and discuss a new infinite set of abelian symmetries of the field equations which preserve a symplectic form on the space of solutions.
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