Chiral zero modes of the SU(n) Wess-Zumino-Novikov-Witten model

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dc.creatorFurlan, P.
dc.creatorHadjiivanov, L. K.
dc.creatorTodorov, I. T.
dc.date2002-11-17
dc.date2003-02-03
dc.date.accessioned2026-07-07T10:49:30Z
dc.date.available2026-07-07T10:49:30Z
dc.descriptionWe define the chiral zero modes' phase space of the G=SU(n) Wess-Zumino-Novikov-Witten model as an (n-1)(n+2)-dimensional manifold M_q equipped with a symplectic form involving a special 2-form - the Wess-Zumino (WZ) term - which depends on the monodromy M. This classical system exhibits a Poisson-Lie symmetry that evolves upon quantization into an U_q(sl_n) symmetry for q a primitive even root of 1. For each constant solution of the classical Yang-Baxter equation we write down explicitly a corresponding WZ term and invert the symplectic form thus computing the Poisson bivector of the system. The resulting Poisson brackets appear as the classical counterpart of the exchange relations of the quantum matrix algebra studied previously. We argue that it is advantageous to equate the determinant D of the zero modes' matrix to a pseudoinvariant under permutations q-polynomial in the SU(n) weights, rather than to adopt the familiar convention D=1.
dc.description30 pages, LaTeX, uses amsfonts; v.2 - small corrections, Appendix and a reference added; v.3 - amended version for J. Phys. A
dc.identifierhttps://arxiv.org/abs/hep-th/0211154
dc.identifierhttp://arxiv.org/abs/hep-th/0211154
dc.identifierJ.Phys.A36:3855-3876,2003
dc.identifierdoi:10.1088/0305-4470/36/13/316
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/184239
dc.subjectHigh Energy Physics - Theory
dc.subjectMathematical Physics
dc.subjectQuantum Algebra
dc.titleChiral zero modes of the SU(n) Wess-Zumino-Novikov-Witten model
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