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Integrable Discretizations of Chiral Models | | A. Dimakis
; F. Mueller-Hoissen
; | | Date: |
3 Dec 1995 | | Journal: | J.Phys. A29 (1996) 5007-5018 | | Subject: | High Energy Physics - Theory; Exactly Solvable and Integrable Systems | hep-th hep-lat nlin.SI solv-int | | Affiliation: | Goettingen) and F. Mueller-Hoissen (Goettingen | | Abstract: | A construction of conservation laws for chiral models (generalized sigma-models on a two-dimensional space-time continuum using differential forms is extended in such a way that it also comprises corresponding discrete versions. This is achieved via a deformation of the ordinary differential calculus. In particular, the nonlinear Toda lattice results in this way from the linear (continuum) wave equation. The method is applied to several further examples. We also construct Lax pairs and Bäcklund transformations for the class of models considered in this work. | | Source: | arXiv, hep-th/9512007 | | Services: | Forum | Review | PDF | Favorites | |
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