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One-dimensional anisotropic magnet in the long-wavelength approximation |
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| Authors: | V K Fedyanin V Yu Yushankhai |
| Institution: | Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, USSR |
| Abstract: | The nonlinear equation for the wavefunction of spin excitations in the long-wavelength approximation possessing a soliton-like solution is obtained by means of an exact transition from Pauli operators to Fermi operators. |
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