English
Related papers

Related papers: On Scalar Products in Higher Rank Quantum Separati…

200 papers

We describe the extension, beyond fundamental representations of the Yang-Baxter algebra, of our new construction of separation of variables bases for quantum integrable lattice models. The key idea underlying our approach is to use the…

Mathematical Physics · Physics 2021-02-10 J. M. Maillet , G. Niccoli

We apply our new approach of quantum Separation of Variables (SoV) to the complete characterization of the transfer matrix spectrum of quantum integrable lattice models associated to gl(n)-invariant R-matrices in the fundamental…

Mathematical Physics · Physics 2019-06-19 J. M. Maillet , G. Niccoli

In the present article we study the form factors of quantum integrable lattice models solvable by the separation of variables (SoV) method. It was recently shown that these models admit universal determinant representations for the scalar…

Mathematical Physics · Physics 2017-03-17 N. Kitanine , J. M. Maillet , G. Niccoli , V. Terras

We construct quantum Separation of Variables (SoV) bases for both the fundamental inhomogeneous $gl_{\mathcal{M}|\mathcal{N}}$ supersymmetric integrable models and for the inhomogeneous Hubbard model both defined with quasi-periodic twisted…

Mathematical Physics · Physics 2020-10-28 J. M. Maillet , G. Niccoli , L. Vignoli

We implement our new Separation of Variables (SoV) approach for open quantum integrable models associated to higher rank representations of the reflection algebras. We construct the (SoV) basis for the fundamental representations of the…

Mathematical Physics · Physics 2019-11-07 J. M. Maillet , G. Niccoli

In this paper we apply our new separation of variables approach to completely characterize the transfer matrix spectrum for quantum integrable lattice models associated to fundamental evaluation representations of $\mathcal{U}_{q}…

Mathematical Physics · Physics 2019-07-18 J. M. Maillet , G. Niccoli

Separation of variables (SoV) is a powerful method expected to be applicable for a wide range of quantum integrable systems, from models in condensed matter physics to gauge and string theories. Yet its full implementation for many higher…

High Energy Physics - Theory · Physics 2025-06-06 Fedor Levkovich-Maslyuk

We consider the XXX open spin-1/2 chain with the most general non-diagonal boundary terms, that we solve by means of the quantum separation of variables (SoV) approach. We compute the scalar products of separate states, a class of states…

Mathematical Physics · Physics 2018-03-13 N. Kitanine , J. M. Maillet , G. Niccoli , V. Terras

Separation of variables (SoV) is a special property of integrable models which ensures that the wavefunction has a very simple factorised form in a specially designed basis. Even though the factorisation of the wavefunction was recently…

High Energy Physics - Theory · Physics 2019-09-26 Andrea Cavaglià , Nikolay Gromov , Fedor Levkovich-Maslyuk

Separation of variables (SoV) is an extremely efficient and elegant technique for analysing physical systems but its application to integrable spin chains was limited until recently to the simplest su(2) cases. In this paper we continue…

High Energy Physics - Theory · Physics 2020-09-24 Nikolay Gromov , Fedor Levkovich-Maslyuk , Paul Ryan , Dmytro Volin

We use the quantum separation of variable (SOV) method to construct the eigenstates of the open XXZ chain with the most general boundary terms. The eigenstates in the inhomogeneous case are constructed in terms of solutions of a system of…

Mathematical Physics · Physics 2015-06-16 S. Faldella , N. Kitanine , G. Niccoli

The integrable quantum models, associated to the transfer matrices of the 6-vertex reflection algebra for spin 1/2 representations, are studied in this paper. In the framework of Sklyanin's quantum separation of variables (SOV), we provide…

Mathematical Physics · Physics 2025-09-30 G. Niccoli

The spin-1/2 highest weight representations of the dynamical 6-vertex and the standard 8-vertex Yang-Baxter algebra on a finite chain are considered in this paper. For the antiperiodic dynamical 6-vertex transfer matrix defined on chains…

Mathematical Physics · Physics 2013-02-26 G. Niccoli

This article, based on the author's PhD thesis, reviews recent advancements in the field of quantum integrability, in particular the separation of variables (SoV) program for high-rank integrable spin chains and the boost mechanism for…

Mathematical Physics · Physics 2022-01-31 Paul Ryan

In our previous paper [1] we have obtained, for the XXX spin-1/2 Heisenberg open chain, new determinant representations for the scalar products of separate states in the quantum separation of variables (SoV) framework. In this article we…

Mathematical Physics · Physics 2018-11-14 N. Kitanine , J. M. Maillet , G. Niccoli , V. Terras

The analysis of the transfer matrices associated to the most general representations of the 8-vertex reflection algebra on spin-1/2 chains is here implemented by introducing a quantum separation of variables (SOV) method which generalizes…

Mathematical Physics · Physics 2015-06-16 S. Faldella , G. Niccoli

In this paper we show how the Functional Separation of Variables (FSoV) method can be applied to the problem of computing overlaps with integrable boundary states in integrable systems. We demonstrate our general method on the example of a…

High Energy Physics - Theory · Physics 2024-05-17 Simon Ekhammar , Nikolay Gromov , Paul Ryan

We consider the XXZ spin-1/2 Heisenberg chain with antiperiodic boundary conditions. The inhomogeneous version of this model can be solved by Separation of Variables (SoV), and the eigenstates can be constructed in terms of Q-functions,…

Mathematical Physics · Physics 2021-05-07 H. Pei , V. Terras

This paper is a continuation of [1], in which a set of matrix elements of local operators was computed for the XXZ spin-1/2 open chain with a particular case of unparallel boundary fields. Here, we extend these results to the more general…

Mathematical Physics · Physics 2025-08-01 G. Niccoli , V. Terras

In this paper we consider the spin 1/2 highest weight representations for the 6-vertex Yang-Baxter algebra on a finite lattice and analyze the integrable quantum models associated to the antiperiodic transfer matrix. For these models, which…

Mathematical Physics · Physics 2013-02-26 G. Niccoli
‹ Prev 1 2 3 10 Next ›