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20242026
most citedNon-linear integral equations for the XXX spin-1/2 quantum chain with non-diagonal boundary fields

1 citations · 1 across the 6 of their papers we have counts for

collaborators

7 papers

math-ph2026

Bethe-root configurations and spectral degeneracy in the open XXZ chain with degenerate boundaries

Shizhang Wu, Shu Chen, Junpeng Cao +1

We investigate the structure of Bethe-root configurations in the spin-1/2 XXZ chain with degenerate open boundaries. The physical solutions of the Bethe Ansatz equations are classi…

math-ph2026

Exact spectrum of the XX spin chain with constrained non-diagonal boundary fields

Changqing Liu, Xiaotian Xu, Xin Zhang

We study the exact spectrum of the XX spin chain with constrained non-diagonal boundary fields, which can be analyzed by solving the associated Bethe Ansatz equations. In these equ…

math-ph2026

Integrable Stochastic Processes Associated with the Algebra

Guang-Liang Li, Xin Zhang, Junpeng Cao +2

We introduce an integrable stochastic process associated with the quantum group, which can be decomposed into two symmetric simple exclusion processes. We establish the integ…

hep-th2026

Generalized Integrable Boundary States in XXZ and XYZ Spin Chains

Xin Qian, Xin Zhang

We investigate integrable boundary states in the anisotropic Heisenberg chain under periodic or twisted boundary conditions, for both even and odd system lengths. Our work demonstr…

math-ph2025

Fusion approach for quantum integrable system associated with the Lie superalgebra

Xiaotian Xu, Wuxiao Wen, Tao Yang +2

In this work we obtain the exact solution of quantum integrable system associated with the Lie superalgebra , both for periodic and for generic open boundary co…

cond-mat.str-el2025★ 1 cited

Non-linear integral equations for the XXX spin-1/2 quantum chain with non-diagonal boundary fields

Holger Frahm, Andreas Klümper, Dennis Wagner +1

The XXX spin- Heisenberg chain with non-diagonal boundary fields represents a cornerstone model in the study of integrable systems with open boundaries. Despite its si…

math-ph2024

Hypotheses regarding Baxter's relation for the periodic XYZ chain

Xin Zhang

Baxter's relation for the periodic spin- XYZ chain is studied. We extensively perform numerical calculations for the relation and the Bethe ansatz equations. N…