Fano effect of a parallel-coupled triple Rashba quantum dot system |
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| Authors: | He Ze-Long Lü Tian-Quan Cui Lian Xue Hui-Jie Li Lin-Jun Yin Hai-Tao |
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| Institution: | 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;Center for Condensed-Matter Science and Technology, Harbin Institute of Technology, Harbin 150080, China;Center for Condensed-Matter Science and Technology, Harbin Institute of Technology, Harbin 150080, China;Center for Condensed-Matter Science and Technology, Harbin Institute of Technology, Harbin 150080, China; School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, China;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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| 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 resonance peaks. In addition, the influence of Rashba spin-orbit interaction on the conductance is studied. |
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| Keywords: | nonequilibrium Green's function Fano effect quantum dot electronic transport |
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