Systematic proof of the existence of Yangian symmetry in chiral Gross-Neveu models

Details Systematic proof of the existence of Yangian symmetry in chiral Gross-Neveu models Systematic proof of the existence of Yangian symmetry in chiral Gross-Neveu models

1997-08-25

arxiv.org/abs/hep-th/9708132v2

Phys.Lett. B417 (1998) 297-302

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, LaTeX

Scientific paper

10.1016/S0370-2693(97)01431-7

The existence of non-local charges, generating a Yangian symmetry is discussed in generalized chiral Gross-Neveu models. Their conservation can be proven by a finite-loop perturbative computation, the order of which is determined from group theoretic constants and is independent of the number of flavors. Examples, where the 1-loop calculation is sufficient, include the SO(n)-models and other more exotic groups and representations.

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