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Density-induced reorientation of the stripe at half-filled high Landau levels
Yang, SJ; Yu, Y; Yang, SJ , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
2003
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号68期号:15页码:-
摘要The effect of a unidirectional periodic potential on the orientation of the stripe state is studied for the two-dimensional electron system at half-filled high Landau levels. By considering a quantum well with two electric subbands, it is found that the stripe is parallel to the external potential for weak modulation and is orthogonal for strong modulation. In the intermediate range, the orientation of the stripe changes from orthogonal to parallel as the electron density is increased. This result explains the recent experiment performed by Zhu et al. that the anisotropy axis at half-filled high Landau levels rotates by 90degrees by increasing the electron density. It also supports the suggestion that the stripes are pinned by the native surface morphology at the interface of the heterojunction.
部门归属Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China; Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词2-dimensional Electron-systems Magnetic-field Ground-state Anisotropy Mechanisms Transport Phases Liquid
学科领域Physics
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收录类别SCI
WOS记录号WOS:000186422600025
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被引频次:1[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/311006/13207
专题理论物理所SCI论文
通讯作者Yang, SJ , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
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Yang, SJ,Yu, Y,Yang, SJ , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.. Density-induced reorientation of the stripe at half-filled high Landau levels[J]. PHYSICAL REVIEW B,2003,68(15):-.
APA Yang, SJ,Yu, Y,&Yang, SJ , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China..(2003).Density-induced reorientation of the stripe at half-filled high Landau levels.PHYSICAL REVIEW B,68(15),-.
MLA Yang, SJ,et al."Density-induced reorientation of the stripe at half-filled high Landau levels".PHYSICAL REVIEW B 68.15(2003):-.
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