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Related papers: The algebraic Bethe ansatz for open vertex models

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A recently proposed strongly correlated electron system associated with the Temperley-Lieb algebra is solved by means of the coordinate Bethe ansatz for periodic and closed boundary conditions.

solv-int · Physics 2009-10-31 A. Lima-Santos , I. Roditi , A. Foerster

We propose a new framework for the nested algebraic Bethe ansatz for a closed, rational spin chain with $\mathfrak{g}$-symmetry for any simple Lie algebra $\mathfrak{g}$. Starting the nesting process by removing a single simple root from…

Mathematical Physics · Physics 2024-06-12 Allan John Gerrard

A system of U(N)-matrix difference equations is solved by means of a nested version of a generalized Bethe Ansatz. The highest weight property of the solutions is proved and some examples of solutions are calculated explicitly. (Part II of…

High Energy Physics - Theory · Physics 2009-10-30 H. Babujian , M. Karowski , A. Zapletal

We formulate the algebraic Bethe ansatz solution of the SU(N) vertex models with rather general non-diagonal toroidal boundary conditions. The reference states needed in the Bethe ansatz construction are found by performing gauge…

Exactly Solvable and Integrable Systems · Physics 2015-06-26 G. A. P. Ribeiro , M. J. Martins , W. Galleas

We generalise the fusion procedure for the $A_{\n-1}^{(1)}$ open spin chain ($\n>2$) and we show that the transfer matrix satisfies a crossing property. We use these results to solve the $A_{\n-1}^{(1)}$ open spin chain with $U_{q}…

High Energy Physics - Theory · Physics 2008-11-26 Anastasia Doikou

We express $D^{(2)}_{2}$ transfer matrices as products of $A^{(1)}_{1}$ transfer matrices, for both closed and open spin chains. We use these relations, which we call factorization identities, to solve the models by algebraic Bethe ansatz.…

High Energy Physics - Theory · Physics 2021-01-20 Rafael I. Nepomechie , Ana L. Retore

The XXZ Gaudin model with {\it generic} integerable boundaries specified by generic {\it non-diagonal} K-matrices is studied. The commuting families of Gaudin operators are diagonalized by the algebraic Bethe ansatz method. The eigenvalues…

High Energy Physics - Theory · Physics 2016-09-06 Wen-Li Yang , Yao-Zhong Zhang , Mark D. Gould

$Z_n$ Belavin model with open boundary condition is studied. The double-row transfer matrices of the model are diagonalized by algebraic Bethe ansatz method in terms of the intertwiner and the face-vertex correspondence relation. The…

High Energy Physics - Theory · Physics 2010-01-15 W. -L. Yang , R. Sasaki

We establish a correspondence between classical $A_n^{(1)}$ affine Toda field theories and $A_n$ Bethe Ansatz systems. We show that the connection coefficients relating specific solutions of the associated classical linear problem satisfy…

Mathematical Physics · Physics 2015-06-18 Panagiota Adamopoulou , Clare Dunning

We have constructed and solved various one-dimensional quantum mechanical models which have quantum algebra symmetry. Here we summarize this work, and also present new results on graded models, and on the so-called string solutions of the…

High Energy Physics - Theory · Physics 2007-05-23 Luca Mezincescu , Rafael I. Nepomechie

The double row transfer matrix of the open O(N) spin chain is diagonalized and the Bethe Ansatz equations are also derived by the algebraic Bethe Ansatz method including the so far missing case when the residual symmetry is…

Mathematical Physics · Physics 2018-09-19 Tamas Gombor

Based on our previous studies of affine Yangian of $\widehat{\mathfrak{gl}}(1|1)$ we propose Bethe ansatz equations for the spectrum of $\mathcal{N}=2$ quantum KdV systems.

High Energy Physics - Theory · Physics 2023-12-15 Dmitry Kolyaskin , Alexey Litvinov

We present a nested algebraic Bethe ansatz for one-dimensional open so(2n)- and sp(2n)-symmetric spin chains with diagonal boundary conditions and described by the extended twisted Yangian. We use a generalization of the Bethe ansatz…

Mathematical Physics · Physics 2020-02-19 Allan Gerrard , Vidas Regelskis

We introduce a ``pre-Bethe-Ansatz'' system of equations for three dimensional vertex models. We bring to the light various algebraic curves of high genus and discuss some situations where these curves simplify. As a result we describe…

High Energy Physics - Theory · Physics 2009-10-22 M. Bellon , S. Boukraa , J-M. Maillard , C-M. Viallet

This work concerns to the studies of boundary integrability of the vertex models from representations of the Temperley-Lieb algebra associated with the quantum group ${\cal U}_{q}[X_{n}]$ for the affine Lie algebras $X_{n}$ = $A_{1}^{(1)}$,…

Exactly Solvable and Integrable Systems · Physics 2013-07-30 A. Lima-Santos

We present a nested algebraic Bethe ansatz for a one dimensional open spin chain whose boundary quantum spaces are irreducible $\mathfrak{so}_{2n}$- or $\mathfrak{sp}_{2n}$-representations and the monodromy matrix satisfies the defining…

Mathematical Physics · Physics 2019-09-27 Allan Gerrard , Niall MacKay , Vidas Regelskis

The semiclassical limit of the algebraic Bethe Ansatz method is used to solve the theory of Gaudin models for the $sl(2|1)^{(2)}$ R-matrix. We find the spectra and eigenvectors of the $N-1$ independents Gaudin Hamiltonians. We also use the…

Exactly Solvable and Integrable Systems · Physics 2010-01-07 V. Kurak , A. Lima-Santos

We present a generalization of the coordinate Bethe ansatz that allows us to solve integrable open XXZ and ASEP models with non-diagonal boundary matrices, provided their parameters obey some relations. These relations extend the ones…

Statistical Mechanics · Physics 2011-03-07 Nicolas Crampé , Eric Ragoucy , Damien Simon

We solve the XXZ Gaudin model with generic boundary using the modified algebraic Bethe ansatz. The diagonal and triangular cases have been recovered in this general framework. We show that the model for odd or even lengths has two different…

Mathematical Physics · Physics 2017-12-14 Nicolas Crampe

I study the technique of Algebraic Bethe Ansatz for solving integrable models and show how it works in detail on the simplest example of spin 1/2 XXX magnetic chain. Several other models are treated more superficially, only the specific…

High Energy Physics - Theory · Physics 2007-05-23 L. D. Faddeev