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Author:

Yang, Kai-Hua (Yang, Kai-Hua.) | Wu, Yi-Fan (Wu, Yi-Fan.) | Wang, Huai-Yu (Wang, Huai-Yu.) | Wang, Bo-Yang (Wang, Bo-Yang.) | Liang, Xiao-hui (Liang, Xiao-hui.)

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EI Scopus SCIE

Abstract:

We investigate the interplay of quantum interference effects and the electronic correlation on the transport through T-shaped spinless double quantum dots coupled to Luttinger liquid leads by using the nonequilibrium Green's function method. We find that the weak intralead Coulomb interaction leads to a zero-bias antiresonance dip in the differential conductance for small interdot tunneling coupling, which is distinct destructive interference characteristic. In particular, an intriguing Fano antiresonance profile for asymmetrically coupling to the Luttinger liquid leads is exhibited, consistent with the experiment findings but different physics screening origin. The strong intralead Coulomb interaction or large interdot coupling tunneling quenches the quantum interference effects, resulting in the disappearance of Fano antiresonance. The scaling behavior of differential conductance on temperature is presented for different intralead interactions. The relationship between destructive interference and two-channel Kondo effect is given. Our results provide a way of adjusting in and out of antiresonance to achieve quantum interference transistors and of switching by tuning the gate voltage controlling the interdot tunneling. © 2022 Elsevier B.V.

Keyword:

Coulomb blockade Quantum interference devices Quantum chemistry Semiconductor quantum dots Nanocrystals Liquids Coulomb interactions

Author Community:

  • [ 1 ] [Yang, Kai-Hua]Faculty of Science, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Wu, Yi-Fan]Faculty of Science, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Wang, Huai-Yu]Department of Physics, Tsinghua University, Beijing; 100084, China
  • [ 4 ] [Wang, Bo-Yang]Second Capital Normal University High School, Beijing; 100037, China
  • [ 5 ] [Liang, Xiao-hui]Faculty of Science, Beijing University of Technology, Beijing; 100124, China

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Source :

Physica E: Low-Dimensional Systems and Nanostructures

ISSN: 1386-9477

Year: 2022

Volume: 144

3 . 3

JCR@2022

3 . 3 0 0

JCR@2022

ESI Discipline: PHYSICS;

ESI HC Threshold:41

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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