Bethe Ansatz for Heisenberg XXX Model
Shao-shiung Lin, Shi-shyr Roan
Abstract
We investigate Bethe Ansatz equations for the one-dimensional spin-12 Heisenberg XXX chain with a special interest in a finite system. Solutions for the two-particle sector are obtained. The ground state in antiferromagnetic case has been analytically studied through the logarithmic form of Bethe Ansatz equations.
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