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Zhang, GM; Lu, R; Liu, ZR; Yu, L; Zhang, GM , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
Swapping Kondo resonances in coupled double quantum dots
发表期刊PHYSICAL REVIEW B
关键词Singlet-triplet Transition Computation Gates
摘要Strong electron and spin correlations are studied in parallel-coupled double quantum dots with interdot spin superexchange J. In the Kondo regime with degenerate dot energy levels, coherent transport occurs at zero temperature, where two entangled (bonding and antibonding) resonances are formed near the Fermi energy. When increasing J or the dot-lead parallel-coupling asymmetry ratio Gamma(2)/Gamma(1), a swap between two entangled resonances occurs and the line shapes of the transmission are interchanged. The linear conductance shows a peak at the critical values. Such a peculiar effect with the virtue of many-body coherence may be useful in future quantum computing.
2005
ISSN1098-0121
卷号72期号:7页码:-
学科领域Physics
收录类别SCI
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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/311006/13771
专题理论物理所科研产出_SCI论文
通讯作者Zhang, GM , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
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GB/T 7714
Zhang, GM,Lu, R,Liu, ZR,et al. Swapping Kondo resonances in coupled double quantum dots[J]. PHYSICAL REVIEW B,2005,72(7):-.
APA Zhang, GM,Lu, R,Liu, ZR,Yu, L,&Zhang, GM , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China..(2005).Swapping Kondo resonances in coupled double quantum dots.PHYSICAL REVIEW B,72(7),-.
MLA Zhang, GM,et al."Swapping Kondo resonances in coupled double quantum dots".PHYSICAL REVIEW B 72.7(2005):-.
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