Violation of the string hypothesis and the Heisenberg XXZ spin chain

Article

关键词: BETHE-ANSATZ EQUATIONS;    T-J-MODEL;    DIMENSIONAL HUBBARD-MODEL;    COMPLETENESS;    STATES;   

DOI  :  10.1103/PhysRevB.60.7271

来源: SCIE

【 摘 要 】

In this paper we count the numbers of real and complex solutions to Bethe constraints in the two-particle sector of the XXZ model. We find the exact number of exceptions to the string conjecture and total number of solutions that is required for completeness. [S0163-1829(99)10733-1].

【 授权许可】

Free