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5 papers · 2 filters
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…
Shor-Movassagh chain leads to unusual integrable model
Bin Tong, Olof Salberger, Kun Hao +1
The ground state of Shor-Movassagh chain can be analytically described by the Motzkin paths. There is no analytical description of the excited states, the model is not solvable. We…
Thermodynamic limit of the spin- XYZ spin chain with the antiperiodic boundary condition
Zhirong Xin, Yusong Cao, Xiaotian Xu +3
Based on its off-diagonal Bethe ansatz solution, we study the thermodynamic limit of the spin- XYZ spin chain with the antiperiodic boundary condition. The key point o…
Graded Off-diagonal Bethe ansatz solution of the spin chain model with generic integrable boundaries
Xiaotian Xu, Junpeng Cao, Yi Qiao +3
The graded off-diagonal Bethe ansatz method is proposed to study supersymmetric quantum integrable models (i.e., quantum integrable models associated with superalgebras). As an exa…
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…