ALGEBRA OF NONLOCAL CHARGES IN SUPERSYMMETRIC NONLINEAR SIGMA-MODELS

Authors
SALTINI LE ZADRA A
Citation
Le. Saltini et A. Zadra, ALGEBRA OF NONLOCAL CHARGES IN SUPERSYMMETRIC NONLINEAR SIGMA-MODELS, International journal of modern physics A, 12(2), 1997, pp. 419-436
Citations number
37
Categorie Soggetti
Physics, Particles & Fields","Physics, Nuclear
Journal title
International journal of modern physics A → ACNP
ISSN journal
0217751X
Volume
12
Issue
2
Year of publication
1997
Pages
419 - 436
Database
ISI
SICI code
0217-751X(1997)12:2<419:AONCIS>2.0.ZU;2-L
Abstract
We propose a graphic method to derive the classical algebra (Dirac bra ckets) of nonlocal conserved charges in the two-dimensional supersymme tric nonlinear O(N) sigma model. As in the purely bosonic theory we fi nd a cubic Yangian algebra. We also consider the extension of graphic methods to other integrable theories.