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A Dynamical System Connected with Inhomogeneous 6-Vertex Model | | I. G. Korepanov
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8 Feb 1994 | | Journal: | Zapiski Nauchn. Semin. POMI (S-Petersburg) 215 (1994) 178-196 | | Subject: | High Energy Physics - Theory; Exactly Solvable and Integrable Systems | hep-th nlin.SI solv-int | | Abstract: | A completely integrable dynamical system in discrete time is studied by means of algebraic geometry. The system is associated with factorization of a linear operator acting in a direct sum of three linear spaces into a product of three operators, each acting nontrivially only in a direct sum of two spaces, and the following reversing of the order of factors. There exists a reduction of the system interpreted as a classical field theory in 2+1-dimensional space-time, the integrals of motion coinciding, in essence, with the statistical sum of an inhomogeneous 6-vertex free-fermion model on the 2-dimensional kagome lattice (here the statistical sum is a function of two parameters). Thus, a connection with the ``local’’, or ``generalized’’, quantum Yang--Baxter equation is revealed. | | Source: | arXiv, hep-th/9402043 | | Services: | Forum | Review | PDF | Favorites | |
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