Fano effect of a parallel-coupled triple Rashba quantum dot system
Using the nonequilibrium Keldysh Green＇s function technique, the Fano effect of a parallel-coupled triple Rashba quantum dot system is investigated. The conductance as a function of electron energy is numerically calculated. Compared with the case of a parallel-coupled double quantum dot system, two...
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| Published in | Chinese physics B Vol. 20; no. 11; pp. 456 - 463 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
IOP Publishing
01.11.2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-1056 2058-3834 |
| DOI | 10.1088/1674-1056/20/11/117303 |
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| Abstract | Using the nonequilibrium Keldysh Green＇s function technique, the Fano effect of a parallel-coupled triple Rashba quantum dot system is investigated. The conductance as a function of electron energy is numerically calculated. Compared with the case of a parallel-coupled double quantum dot system, two additional Fano resonance peaks occur in the conductance spectrum. By adjusting the structural parameters, the two Fano resonance peaks may change into the resoaance peaks. In addition, the influence of Rashba spin-orbit interaction on the conductance is studied. |
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| AbstractList | Using the nonequilibrium Keldysh Green＇s function technique, the Fano effect of a parallel-coupled triple Rashba quantum dot system is investigated. The conductance as a function of electron energy is numerically calculated. Compared with the case of a parallel-coupled double quantum dot system, two additional Fano resonance peaks occur in the conductance spectrum. By adjusting the structural parameters, the two Fano resonance peaks may change into the resoaance peaks. In addition, the influence of Rashba spin-orbit interaction on the conductance is studied. Using the nonequilibrium Keldysh Green's function technique, the Fano effect of a parallel-coupled triple Rashba quantum dot system is investigated. The conductance as a function of electron energy is numerically calculated. Compared with the case of a parallel-coupled double quantum dot system, two additional Fano resonance peaks occur in the conductance spectrum. By adjusting the structural parameters, the two Fano resonance peaks may change into the resonance peaks. In addition, the influence of Rashba spin-orbit interaction on the conductance is studied. |
| Author | 贺泽龙 吕天全 崔莲 薛惠杰 李林军 尹海涛 |
| AuthorAffiliation | Center for Condensed-Matter Science and Technology, Harbin Institute of Technology, Harbin 150080, China Department of Electronic Engineering, Heilongjiang Institute of Technology, Harbin 150050, China School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, China |
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| Cites_doi | 10.1103/PhysRevA.81.063816 10.1063/1.2857471 10.1016/S0375-9601(96)00896-1 10.1103/PhysRevB.82.165426 10.1103/PhysRevB.50.5528 10.1103/RevModPhys.75.1 10.1103/PhysRevB.64.153306 10.1103/PhysRevB.81.115316 10.1016/j.physleta.2006.08.007 10.1016/j.physe.2006.03.144 10.1103/PhysRevB.71.235320 10.1088/0031-8949/79/03/035702 10.1002/pssb.200945287 10.1016/j.physleta.2008.01.004 10.1088/1674-1056/18/2/062 10.1103/PhysRevB.82.125451 10.1103/PhysRevB.71.035315 10.1088/1674-1056/19/12/127202 10.1016/j.physleta.2009.06.043 10.1103/PhysRevB.67.195335 |
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| Notes | nonequilibrium Green＇s function; Fano effect; quantum dot; electronic transport He Ze-Long,Lu Tian-Quan,Cui Lian,Xue Hui-Jie,Li Lin-Jun,Yin Hai-Tao（a） Center for Condensed-Matter Science and Technology, Harbin Institute of Technology, Harbin 150080, China ; b） Department of Electronic Engineering, Heilongjiang Institute of Technology, Harbin 150050, China ;c） School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, China 11-5639/O4 Using the nonequilibrium Keldysh Green＇s function technique, the Fano effect of a parallel-coupled triple Rashba quantum dot system is investigated. The conductance as a function of electron energy is numerically calculated. Compared with the case of a parallel-coupled double quantum dot system, two additional Fano resonance peaks occur in the conductance spectrum. By adjusting the structural parameters, the two Fano resonance peaks may change into the resoaance peaks. In addition, the influence of Rashba spin-orbit interaction on the conductance is studied. ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2 |
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| Snippet | Using the nonequilibrium Keldysh Green＇s function technique, the Fano effect of a parallel-coupled triple Rashba quantum dot system is investigated. The... Using the nonequilibrium Keldysh Green's function technique, the Fano effect of a parallel-coupled triple Rashba quantum dot system is investigated. The... |
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| SubjectTerms | Conductance Electron energy Green's functions Mathematical analysis Mathematical models Quantum dots Spin-orbit interactions 平行耦合 数值计算 电子能量 系统 结构参数 耦合双量子点 自旋轨道相互作用 非平衡格林函数 |
| Title | Fano effect of a parallel-coupled triple Rashba quantum dot system |
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