ACAD SINICA,INT CTR MAT PHYS,SHENYANG 110015,PEOPLES R CHINA; ACAD SINICA,INST PHYS,BEIJING 100080,PEOPLES R CHINA; GUANGZHOU TEACHERS COLL,DEPT PHYS,GUANGZHOU 430072,PEOPLES R CHINA
英文摘要:
The exact eigenstates of the Hamiltonian of the mixed-valence lattice model are constructed by using the Bethe ansatz The Bethe ansatz equations are obtained from the periodic boundary conditions. The results show that this system is also completely integrable.
