Dorey, Patrick, Dunning, Clare, Masoero, Davide, Suzuki, Junji, Tateo, Roberto (2007) Pseudo-differential equations, and the Bethe ansatz for the classical Lie algebras. Nuclear Physics B, 772 (3). pp. 249-289. ISSN 0550-3213. (doi:10.1016/j.nuclphysb.2007.02.029) (KAR id:1419)
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Official URL: http://dx.doi.org/10.1016/j.nuclphysb.2007.02.029 |
Abstract
The correspondence between ordinary differential equations and Bethe ansatz equations for integrable lattice models in their continuum limits is generalised to vertex models related to classical simple Lie algebras. New families of pseudo-differential equations are proposed, and a link between specific generalised eigenvalue problems for these equations and the Bethe ansatz is deduced. The pseudo-differential operators resemble in form the Miura-transformed Lax operators studied in work on generalised KdV equations, classical W-algebras and, more recently, in the context of the geometric Langlands correspondence. Negative-dimension and boundary-condition dualities are also observed
Item Type: | Article |
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DOI/Identification number: | 10.1016/j.nuclphysb.2007.02.029 |
Uncontrolled keywords: | CONFORMAL FIELD-THEORY; NONLINEAR INTEGRAL-EQUATIONS; SOLVABLE LATTICE MODELS; KAC-MOODY ALGEBRAS; FUNCTIONAL RELATIONS; STOKES MULTIPLIERS; DIFFERENTIAL-EQUATIONS; ANHARMONIC-OSCILLATORS; REPRESENTATION-THEORY; SCHRODINGER-EQUATION |
Subjects: | Q Science > QC Physics |
Divisions: | Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Mathematics, Statistics and Actuarial Science |
Depositing User: | Clare Dunning |
Date Deposited: | 19 Dec 2007 18:55 UTC |
Last Modified: | 16 Nov 2021 09:40 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/1419 (The current URI for this page, for reference purposes) |
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