SPIN-WAVE

作品数：19被引量：10H指数：2
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相关领域：理学更多>>
相关期刊：《Communications in Theoretical Physics》《Chinese Physics B》《Science Bulletin》《Frontiers of physics》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划北京市自然科学基金国家教育部博士点基金更多>>
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Hard-Core Bosons on a Two-Dimensional Square Optical Superlattice
《Communications in Theoretical Physics》2015年第3期308-316,共9页李晓娟 文渝川 
Supported by the National Natural Science Foundation of China under Grant Nos.10904096,10604024,11474025;the Natural Science Foundation of Beijing under Grant No.1092009
In this work,we theoretically study hard-core bosons on a two-dimensional square optical superlattice at T = 0.First of all,we present the mean field phase diagram of this model in terms of the chemical potential μ a...
关键词：hard-core bosons spin-wave approximation 
Intrinsic Localized Spin-Wave Modes in an Anisotropic Ferromagnet with Dzyaloshinsky–Moriya Interaction
《Communications in Theoretical Physics》2014年第7期91-96,共6页李德俊 唐炳 
Supported by the National Natural Science Foundation of China under Grant No.11264012;Hunan Provincial Innovation Foundation for Postgraduate under Grant No.CX2013B264
The existence and properties of intrinsic localized spin-wave modes in a ferromagnetic XXZ spin chain with Dzyaloshinsky–Moriya interaction are investigated analytically in the semiclassical limit. The model Hamilton...
关键词：INTRINSIC LOCALIZED SPIN-WAVE modes quantum FERROMAGNETS Dzyaloshinsky–Moriya INTERACTION the coherent state method 
su(1,2) Algebraic Structure of XYZ Antiferromagnetic Model in Linear Spin-Wave Frame
《Communications in Theoretical Physics》2008年第5期1151-1154,共4页JIN Shuo XIE Bing-Hao YU Zhao-Xian HOU Jing-Min 
The project supported by National Natural Science Foundation of China under Grant Nos.10447103 and 90305026;the Natural Science Foundation of Beijing under Grant No.1072010;the Foundation of Education Department of Beijing under Grant No.KM200610772007
The XYZ antiferromagnetic model in linear spin-wave frame is shown explicitly to have an su（1,2） algebraic structure： the Hamiltonian can be written as a linear function of the su（1,2） algebra generators. Based o...
关键词：XYZ antiferromagnetic model algebraic diagonalization method 
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