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A METHOD FOR SOLVING THE EQUATION OF A FERROMAGNETIC CHAIN AND VERIFICATION OF THE TAKHTAJAN EQUATION |
| HUANG Nianning |
| Department of Physics, Wuhan University, Wuhan, and Graduate School, Huazhong University of Science and Technology, Wuhan |
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| Cite this article: |
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HUANG Nianning 1986 Chin. Phys. Lett. 3 221-224 |
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Abstract Based on the gauge equivalence, we solve the equation of a Heisenberg ferromagnetic chain by using the inverse scattering method of the nonlinear Schrodinger equation and an explicitly obtained form of the required gauge transformation. We show that the solutions of a ferromagnetic chain by the Takhtajan's method identify with that by the above mentioned method. Then we prove the correctness of the Takhtajan equation and avoid the defects in its derivations.
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Published: 01 May 1986
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