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math-ph2022★ 2 cited
Elementary excitations in an integrable twisted J1-J2 spin chain in the thermodynamic limit
Wei Wang, Yi Qiao, Rong-Hua Liu +2
The exact elementary excitations in a typical U(1) symmetry broken quantum integrable system, that is the twisted J1-J2 spin chain with nearest-neighbor, next nearest neighbor and…
math-ph2021★ 5 cited
Exact ground state and elementary excitations of a competing spin chain with twisted boundary condition
Wei Wang, Yi Qiao, Junpeng Cao +2
A novel Bethe ansatz scheme is proposed to investigate the exact physical properties of an integrable anisotropic quantum spin chain with competing interactions among the nearest,…