Coupled Solitons in Alternating Heisenberg Ferromagnetic Chains with a Small Magnon Band Gap

ZHU Shan-Hua; HUANG Guo-Xiang

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Coupled Solitons in Alternating Heisenberg Ferromagnetic Chains with a Small Magnon Band Gap

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The coupled soliton excitations in an alternating Heisenberg ferromagnetic chain with a small magnon band rngap are considered. Based on a quasi-discrete multiple scale approach, a set of coupled mode equations is derived rnwhich describes the dynamics of strongly coupled acoustic upper cut-off and optical lower cut-off modes. Coupled rnmagnetic band gap soliton solutions are explicitly provided and their frequency properties are discussed.

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《中国物理快报：英文版》 |2001年第10期|1316-1318|共3页
作者
ZHU Shan-Hua; HUANG Guo-Xiang;
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Key Laboratory for Optical and Magnetic Resonance Spectroscopy and Department of Physics,East China Normal University, Shanghai 200062;

2Physics Group, Zhuzhou Institute of Technology, Zhuzhou 412008rn;

Key Laboratory for Optical and Magnetic Resonance Spectroscopy and Department of Physics,East China Normal University, Shanghai 200062;

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中图分类物理学;
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Coupled Solitons in Alternating Heisenberg Ferromagnetic Chains with a Small Magnon Band Gap

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