Solitary excitations in antiferromagnet CsFeBr3 |
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| Authors: | Wu-Ming Liu Ben-Lian Zhou |
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| Affiliation: | (1) International Center for Materials Physics, Academia Sinica, 110015 Shenyang, People's Republic of China;(2) Institute of Metal Research, Academia Sinica, 110015 Shenyang, People's Republic of China |
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| Abstract: | With employing the Dyson-Maleev transformation and the coherent-state ansatz, two partial different motion equations are obtained from Hamiltonian of antiferromagnet CsFeBr3. By using the method of multiple scales and the long-wavelength approximation, these equations are changed into a nonlinear Schrödinger equation. By applying inverse-scattering transformation, solution of the equation is obtained, solitary excitations in antiferromagnet CsFeBr3 are also investigated. |
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| Keywords: | 75.10.Hk 75.50.Ee 75.90.+W |
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