activity
20172026
most citedExact ground state and elementary excitations of a topological spin chain

20 citations · 65 across the 14 of their papers we have counts for

collaborators

16 papers

math-ph2026

An elliptic generalization of the Spin chain

Yi Qiao, Pei Sun, Xiaotian Xu +5

An integrable elliptic generalization of the closed quantum spin chain is constructed. Taking the trigonometric limit, we have shown that the corresponding R-matrix red…

math-ph2025

Tensor-Network Analysis of Root Patterns in the XXX Model with Open Boundaries

Zhouzheng Ji, Pei Sun, Xiaotian Xu +3

The string hypothesis of Bethe roots is a cornerstone in the thermodynamic analysis of quantum integrable systems, since it connects root configurations with physical quantities su…

math-ph2024★ 3 cited

Exact solution of a quantum integrable system associated with the exceptional Lie algebra

Guang-Liang Li, Junpeng Cao, Pei Sun +3

A quantum integrable spin chain model associated with the exceptional Lie algebra is studied. By using the fusion technique, the closed recursive relations among the fused tr…

math-ph2024

Exact surface energy of the Hubbard model with nonparallel boundary magnetic fields

Pei Sun, Yi Qiao, Tao Yang +2

In this study, we explore the precise physical quantities in the thermodynamic limit of the one-dimensional Hubbard model with nonparallel boundary magnetic fields based on the off…

hep-th2022★ 5 cited

Thermodynamic limit and boundary energy of the spin-1 Heisenberg chain with non-diagonal boundary fields

Zhihan Zheng, Pei Sun, Xiaotian Xu +3

The thermodynamic limit and boundary energy of the isotropic spin-1 Heisenberg chain with non-diagonal boundary fields are studied. The finite size scaling properties of the inhomo…

math-ph2022★ 1 cited

Spectrum of the transfer matrices of the spin chains associated with the Lie algebra

Guang-Liang Li, Junpeng Cao, Xiao-Tian Xu +4

We study the exact solution of quantum integrable system associated with the twist Lie algebra, where the boundary reflection matrices have non-diagonal elements thus t…

math-ph2021★ 1 cited

Scattering matrix of elementary excitations in the antiperiodic XXZ spin chain with η=iπ/3

Pei Sun, Jintao Yang, Yi Qiao +2

We study the thermodynamic limit of the antiperiodic XXZ spin chain with the anisotropic parameter . We parameterize eigenvalues of the transfer matrix by their zer…

math-ph2021★ 1 cited

Surface energy of the one-dimensional supersymmetric model with general integrable boundary terms in the antiferromagnetic sector

Pei Sun, Yang-Yang Chen, Tao Yang +2

In this paper, we study the surface energy of the one-dimensional supersymmetric model with unparallel boundary magnetic fields, which is a typical -symmetry broken qua…

math-ph2020★ 6 cited

Exact solutions of the quantum spin chain

Guang-Liang Li, Panpan Xue, Pei Sun +5

We study the exact solutions of quantum integrable model associated with the Lie algebra, with either a periodic or an open one with off-diagonal boundary reflections, by gen…

math-ph2020★ 20 cited

Exact ground state and elementary excitations of a topological spin chain

Yi Qiao, Pei Sun, Junpeng Cao +3

A novel Bethe Ansatz scheme is proposed to calculate physical properties of quantum integrable systems without symmetry. As an example, the anti-periodic XXZ spin chain, a t…

math-ph2019★ 5 cited

Off-diagonal Bethe Ansatz for the model

Guang-Liang Li, Junpeng Cao, Panpan Xue +5

The exact solutions of the model (or the quantum spin chain) with either periodic or general integrable open boundary conditions are obtained by using the off-d…

math-ph2019★ 2 cited

Exact solution of an integrable anisotropic spin chain model

Yi Qiao, Pei Sun, Zhirong Xin +2

An integrable anisotropic Heisenberg spin chain with nearest-neighbour couplings, next-nearest-neighbour couplings and scalar chirality terms is constructed. After proving the inte…

math-ph2019★ 11 cited

Off-diagonal Bethe Ansatz on the spin chain

Guang-Liang Li, Junpeng Cao, Panpan Xue +5

The (i.e., ) quantum integrable spin chains with both periodic and non-diagonal boundaries are studied via the off-diagonal Bethe Ansatz method. By using the fusion te…

cond-mat.str-el2019★ 6 cited

Surface energy and elementary excitations of the XXZ spin chain with arbitrary boundary fields

Pei Sun, Zhi-Rong Xin, Yi Qiao +5

The thermodynamic properties of the XXZ spin chain with integrable open boundary conditions at the gaped region (i.e., the anisotropic parameter being a real number) are invest…

math-ph2017★ 3 cited

Bethe states of the trigonometric SU(3) spin chain with generic open boundaries

Pei Sun, Zhirong Xin, Yi Qiao +7

By combining the algebraic Bethe ansatz and the off-diagonal Bethe ansatz, we investigate the trigonometric SU(3) model with generic open boundaries. The eigenvalues of the transfe…

math-ph2017★ 1 cited

On the Bethe states of the one-dimensional supersymmetric t-J model with generic open boundaries

Pei Sun, Fakai Wen, Kun Hao +4

By combining the algebraic Bethe ansatz and the off-diagonal Bethe ansatz, we investigate the supersymmetric t-J model with generic open boundaries. The eigenvalues of the transfer…