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Application of Nonlinear Lie Algebraic Method to One-Dimensional spin-1/2 Heisenberg Ferromagnetic Chain |
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| Authors: | CHEN JingLing LIU Yong ZHAO YuanChao |
| Institution: | 1. Theoretical Physics Division, Nankai Institute of Mathematics, Nankai University, Tianjin 300071, China; 2. Department of Electron Science, Nankai University, Tianjin 300071, China; 3. Tianjin NEC, Tianjin 300191, China |
| Abstract: | In our work the nonlinear Lie algebra and concept of shift operator are introduced, based on that the eigenproblern of one-dimensional spin-1/2 Heisenberg ferromagnetic chain can be solved. The results achieved from the usual Bethe ansatz method are recovered naturally. |
| Keywords: | nonlinear Lie algebra shift operator ferromagnetic chain |
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