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题名: Controlling soliton excitations in Heisenberg spin chains through the magic angle
作者: Lu, Jing ;  Zhou, Lan ;  Kuang, Le-Man ;  Sun, C. P.
刊名: PHYSICAL REVIEW E
出版日期: 2009
卷号: 79, 期号:1, 页码:-
关键词: FERROMAGNETIC CHAIN ;  SYSTEMS ;  MAGNONS ;  STATES ;  FIELD
学科分类: Physics
通讯作者: Lu, J , Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China
部门归属: [Lu, J; Zhou, L; Kuang, LM] Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China; [Lu, J; Sun, CP] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We study the nonlinear dynamics of collective excitation in an N-site XXZ quantum spin chain, which is manipulated by an oblique magnetic field. We show that, when the tilted field is applied along the magic angle, theta(0)=+/- arccos root 1/3, the anisotropic Heisenberg spin chain becomes isotropic and thus an freely propagating spin wave is stimulated. Also, in the regime of tilted angles larger and smaller than the magic angle, two types of nonlinear excitations appear: bright and dark solitons.
资助者: NSFC[90203018, 10474104, 60433050, 10325523, 10347128, 10075018, 10775048, 10704023]; NFRPC[2007CB925204, 2005CB724508]; Hunan Provincial Education Department of China[07C579]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000262976900065
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5409
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Lu, Jing,Zhou, Lan,Kuang, Le-Man,et al. Controlling soliton excitations in Heisenberg spin chains through the magic angle[J]. PHYSICAL REVIEW E,2009,79(1):-.
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