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We study the general rational solution of the Yang-Baxter equation with the symmetry algebra sl(3). The R-matrix acting in the tensor product of two arbitrary representations of the symmetry algebra can be represented as the product of the…

Quantum Algebra · Mathematics 2007-05-23 S. E. Derkachov

The general rational solution of the Yang-Baxter equation with the symmetry algebra sl(2) can be represented as the product of the simpler building blocks denoted as R-operators. The R-operators are constructed explicitly and have simple…

Quantum Algebra · Mathematics 2009-01-08 S. E. Derkachov

We study solutions of the Yang-Baxter equation on a tensor product of an arbitrary finite-dimensional and an arbitrary infinite-dimensional representations of the rank one symmetry algebra. We consider the cases of the Lie algebra sl_2, the…

Mathematical Physics · Physics 2015-03-02 D. Chicherin , S. Derkachov

We describe the construction of trigonometric R-matrices corresponding to the (multiplicity-free) tensor product of any two irreducible representations of a quantum algebra $U_q(\G)$. Our method is a generalization of the tensor product…

High Energy Physics - Theory · Physics 2009-10-28 Gustav W. Delius , Mark D. Gould , Yao-Zhong Zhang

We present particularly simple new solutions to the Yang--Baxter equation arising from two--dimensional cyclic representations of quantum $SU(2)$. They are readily interpreted as scattering matrices of relativistic objects, and the quantum…

High Energy Physics - Theory · Physics 2009-10-22 M. ~Ruiz--Altaba

We derive the integral operator form for the general rational solution of the Yang-Baxter equation with $s\ell(2|1)$ symmetry. Considering the defining relations for the kernel of the R-operator as a system of second order differential…

Exactly Solvable and Integrable Systems · Physics 2009-11-07 S. E. Derkachov , D. Karakhanyan , R. Kirschner

R-matrix acting in the tensor product of two spinor representation spaces of Lie algebra so(d) is considered thoroughly. Corresponding Yang-Baxter equation is proved. The relation to the local Yang-Baxter relation is established.

Mathematical Physics · Physics 2015-06-15 D. Chicherin , S. Derkachov , A. P. Isaev

We start from known solutions of the Yang-Baxter equation with a spectral parameter defined on the tensor product of two infinite-dimensional principal series representations of the group $\mathrm{SL}(2,\mathbb{C})$ or Faddeev's modular…

Mathematical Physics · Physics 2016-03-14 Dmitry Chicherin , Sergey E. Derkachov , Vyacheslav P. Spiridonov

We present an uniform construction of the solution to the Yang- Baxter equation with the symmetry algebra $s\ell(2)$ and its deformations: the q-deformation and the elliptic deformation or Sklyanin algebra. The R-operator acting in the…

High Energy Physics - Theory · Physics 2008-11-26 S. Derkachov , D. Karakhanyan , R. Kirschner

We have found some new solutions of both rational and trigonometric types by rewriting Yang-Baxter equation as a triple product equation in a vector space of matrices.

High Energy Physics - Theory · Physics 2009-10-28 Susumu Okubo

Yang-Baxter relations symmetric with respect to the ortho-symplectic superalgebras are studied. We start from the formulation of graded algebras and the linear superspace carrying the vector (fundamental) representation of the…

Mathematical Physics · Physics 2017-03-08 J. Fuksa , A. P. Isaev , D. Karakhanyan , R. Kirschner

We consider finite-dimensional reductions of an integral operator with the elliptic hypergeometric kernel describing the most general known solution of the Yang-Baxter equation with a rank 1 symmetry algebra. The reduced R-operators…

Mathematical Physics · Physics 2020-01-07 D. Chicherin , S. E. Derkachov , V. P. Spiridonov

In this paper, the different operator forms of classical Yang-Baxter equation are given in the tensor expression through a unified algebraic method. It is closely related to left-symmetric algebras which play an important role in many…

Quantum Algebra · Mathematics 2009-11-13 Chengming Bai

We construct the R-operator -- solution of the Yang-Baxter equation acting in the tensor product of two infinite-dimensional representations of Faddeev's modular double. This R-operator intertwines the product of two L-operators associated…

Mathematical Physics · Physics 2015-06-17 D. Chicherin , S. Derkachov

In this paper we study Yangians of sl(n|m) superalgebras. We derive the universal R-matrix and evaluate it on the fundamental representation obtaining the standard Yang R-matrix with unitary dressing factors. For m=0, we directly recover up…

High Energy Physics - Theory · Physics 2011-05-09 Adam Rej , Fabian Spill

A general functional definition of the infinite dimensional quantum $R$-matrix satisfying the Yang-Baxter equation is given. A procedure for the extracting a finite dimensional $R$-matrix from the general definition is demonstrated in a…

High Energy Physics - Theory · Physics 2008-02-03 D. Tz. Stoyanov

Studying the algebraic structure of the double ${\cal D}Y(g)$ of the yangian $Y(g)$ we present the triangular decomposition of ${\cal D}Y(g)$ and a factorization for the canonical pairing of the yangian with its dual inside ${\cal D}Y(g)$.…

High Energy Physics - Theory · Physics 2008-02-03 Sergei Khoroshkin , Valeriy N. Tolstoy

We propose a new generalization of the Yang-Baxter equation, where the R-matrix depends on cluster $y$-variables in addition to the spectral parameters. We point out that we can construct solutions to this new equation from the…

High Energy Physics - Theory · Physics 2018-01-17 Masahito Yamazaki

We show that Belavin's solutions of the quantum Yang--Baxter equation can be obtained by restricting an infinite $R$-matrix to suitable finite dimensional subspaces. This infinite $R$-matrix is a modified version of the Shibukawa--Ueno…

High Energy Physics - Theory · Physics 2009-10-28 Giovanni Felder , V. Pasquier

We describe several methods of constructing R-matrices that are dependent upon many parameters, for example unitary R-matrices and R-matrices whose entries are functions. As an application, we construct examples of R-matrices with…

Rings and Algebras · Mathematics 2017-11-10 Agata Smoktunowicz , Alicja Smoktunowicz
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