A Unified Treatment for XXX-Heisenberg Model and Haldane-Shastry Model Using Shift Operators
Jing-Ling Chen, Mo-Lin Ge, Kang Xue, Xian-Geng Zhao
Abstract
A unified treatment is developed for the XXX-Heisenberg model and a long-ranged interaction model (the H2 in Haldane-Shastry model) from the point of view of shift operators (or raising and lowering operators), based on which the energy spectra of the spin-chain models are determined. Some physical discussions are also made.
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