Influence of time-periodic potentials on electronic transport in double-well structure

doi:10.1088/1674-1056/19/5/057202

中国物理B ›› 2010, Vol. 19 ›› Issue (5): 57202-057202.doi: 10.1088/1674-1056/19/5/057202

Influence of time-periodic potentials on electronic transport in double-well structure

李春雷, 徐燕

College of Elementary Educational, Capital Normal University, Beijing 100048, China

收稿日期:2009-09-12 修回日期:2009-12-02 出版日期:2010-05-15 发布日期:2010-05-15

Influence of time-periodic potentials on electronic transport in double-well structure

Li Chun-Lei(李春雷)^†ger and Xu Yan(徐燕)

College of Elementary Educational, Capital Normal University, Beijing 100048, China

Received:2009-09-12 Revised:2009-12-02 Online:2010-05-15 Published:2010-05-15

摘要/Abstract

摘要： Within the framework of the Floquet theorem, we have investigated single-electron photon-assisted tunneling in a double-well system using the transfer matrix technique. The transmission probability displays satellite peaks on the both sides of main resonance peaks and these satellite peaks originate from emission or absorption photons. The single-electron resonance tunneling can be control through changing applied harmonically potential positions, such as driven potential in wells, in barriers, or in whole double-well system. This advantage should be useful in the optimization of the parameters of a transmission device.

Abstract: Within the framework of the Floquet theorem, we have investigated single-electron photon-assisted tunneling in a double-well system using the transfer matrix technique. The transmission probability displays satellite peaks on the both sides of main resonance peaks and these satellite peaks originate from emission or absorption photons. The single-electron resonance tunneling can be control through changing applied harmonically potential positions, such as driven potential in wells, in barriers, or in whole double-well system. This advantage should be useful in the optimization of the parameters of a transmission device.

Key words: photon-assisted tunneling, transmission probability, quantum well

中图分类号: (Coulomb blockade; single-electron tunneling)

73.23.Hk

73.21.Fg (Quantum wells) 71.18.+y (Fermi surface: calculations and measurements; effective mass, g factor)

李春雷, 徐燕. Influence of time-periodic potentials on electronic transport in double-well structure[J]. 中国物理B, 2010, 19(5): 57202-057202.

Li Chun-Lei(李春雷) and Xu Yan(徐燕). Influence of time-periodic potentials on electronic transport in double-well structure[J]. Chin. Phys. B, 2010, 19(5): 57202-057202.

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Influence of time-periodic potentials on electronic transport in double-well structure

Influence of time-periodic potentials on electronic transport in double-well structure

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