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Kondo Effect in Carbon Nanotube Quantum Dots with Spin-Orbit Coupling
Fang, Tie-Feng; Zuo, Wei; Luo, Hong-Gang; Fang, TF , Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
2008
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号101期号:24页码:-
摘要Motivated by recent experimental observation of spin-orbit coupling in carbon nanotube quantum dots [F. Kuemmeth , Nature (London) 452, 448 (2008)], we investigate in detail its influence on the Kondo effect. The spin-orbit coupling intrinsically lifts out the fourfold degeneracy of a single electron in the dot, thereby breaking the SU(4) symmetry and splitting the Kondo resonance even at zero magnetic field. When the field is applied, the Kondo resonance further splits and exhibits fine multipeak structures resulting from the interplay of spin-orbit coupling and the Zeeman effect. A microscopic cotunneling process for each peak can be uniquely identified. Finally, a purely orbital Kondo effect in the two-electron regime is also predicted.
部门归属[Fang, TF; Zuo, W] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China; [Luo, HG] Lanzhou Univ, Ctr Interdisciplinary Studies, Lanzhou 730000, Peoples R China; [Luo, HG] Lanzhou Univ, Minist Educ, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China; [Luo, HG] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Anderson Model States Motion
学科领域Physics
资助者NSFC[10575119, 20433070]; Major State Basic Research Developing Program[2007CB815004]; NCET of China ; NSFC[10575119, 20433070]; Major State Basic Research Developing Program[2007CB815004]; NCET of China ; NSFC[10575119, 20433070]; Major State Basic Research Developing Program[2007CB815004]; NCET of China ; NSFC[10575119, 20433070]; Major State Basic Research Developing Program[2007CB815004]; NCET of China
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收录类别SCI
资助者NSFC[10575119, 20433070]; Major State Basic Research Developing Program[2007CB815004]; NCET of China ; NSFC[10575119, 20433070]; Major State Basic Research Developing Program[2007CB815004]; NCET of China ; NSFC[10575119, 20433070]; Major State Basic Research Developing Program[2007CB815004]; NCET of China ; NSFC[10575119, 20433070]; Major State Basic Research Developing Program[2007CB815004]; NCET of China
WOS记录号WOS:000261704100046
引用统计
被引频次:34[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/311006/5417
专题1978-2010年知识产出
通讯作者Fang, TF , Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Fang, Tie-Feng,Zuo, Wei,Luo, Hong-Gang,et al. Kondo Effect in Carbon Nanotube Quantum Dots with Spin-Orbit Coupling[J]. PHYSICAL REVIEW LETTERS,2008,101(24):-.
APA Fang, Tie-Feng,Zuo, Wei,Luo, Hong-Gang,&Fang, TF , Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.(2008).Kondo Effect in Carbon Nanotube Quantum Dots with Spin-Orbit Coupling.PHYSICAL REVIEW LETTERS,101(24),-.
MLA Fang, Tie-Feng,et al."Kondo Effect in Carbon Nanotube Quantum Dots with Spin-Orbit Coupling".PHYSICAL REVIEW LETTERS 101.24(2008):-.
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