Quantum Solitary Wave Solutions in a Ferromagnetic Chain with Nearest- and Next-Nearest-Neighbor Interaction |
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| Authors: | LI De-Jun WANG Xiao-Yun MI Xian-Wu XUE Jing |
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| Affiliation: | 1. Department of Physics, Jishou University, Jishou 416000, China;2. Department of Physics, Xiangtan University, Xiangtan 411105, China |
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| Abstract: | The quantum solitary wave solutions ina one-dimensional ferromagnetic chain is investigated by using theHartree-Fock approach and the multiple-scale method. It is shownthat quantum solitary wave solutions can exist in a ferromagneticsystem with nearest- and next-nearest-neighbor exchangeinteraction, and at the certain value of the first Brillouin zone,the solitary wave solution of the Hartree wave function becomes theintrinsic localized mode. |
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| Keywords: | Hartree-Fock approach multiple-scale method quantum solitary wave solution |
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