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Effect of subband Landau level coupling to the linearly dispersing collective mode in a quantum Hall ferromagnet
Yu, Y; Yu, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2002
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号66期号:11页码:-
摘要In a recent experiment [Phys. Rev. Lett. 87, 036803 (2001)], Spielman observed a linearly dispersing collective mode in a quantum Hall ferromagnet. While it qualitatively agrees with the Goldstone mode dispersion at small wave vector, the experimental mode velocity is slower than that calculated by previous theories by a factor of about 0.55. A quantitative correction may be achieved by taking the subband Landau-level coupling into account due to the finiteness of the layer thickness, which gives a better agreement with the experimental data. A method coupling the quantum fluctuation to the tunneling is briefly discussed.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Spontaneous Interlayer Coherence Phase-transitions Systems States Field
学科领域Physics
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收录类别SCI
WOS记录号WOS:000178461000017
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13439
专题理论物理所1978-2010年知识产出
通讯作者Yu, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Yu, Y,Yu, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Effect of subband Landau level coupling to the linearly dispersing collective mode in a quantum Hall ferromagnet[J]. PHYSICAL REVIEW B,2002,66(11):-.
APA Yu, Y,&Yu, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2002).Effect of subband Landau level coupling to the linearly dispersing collective mode in a quantum Hall ferromagnet.PHYSICAL REVIEW B,66(11),-.
MLA Yu, Y,et al."Effect of subband Landau level coupling to the linearly dispersing collective mode in a quantum Hall ferromagnet".PHYSICAL REVIEW B 66.11(2002):-.
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