Integrable 1/r2 Spin Chain with Reflecting End
Takashi Yamamoto, Osamu Tsuchiya
Abstract
A new integrable spin chain of the Haldane-Shastry type is introduced. It is interpreted as the inverse-square interacting spin chain with a reflecting end. The lattice points of this model consist of the square roots of the zeros of the Laguerre polynomial. Using the ``exchange operator formalism'', the integrals of motion for the model are explicitly constructed.
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