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Influence of electron-phonon interaction on single electron tunneling in a quantum dot molecule

Wu Zhuo-Jie Zhu Ka-Di Yuan Xiao-Zhong Zheng Hang

Influence of electron-phonon interaction on single electron tunneling in a quantum dot molecule

Wu Zhuo-Jie, Zhu Ka-Di, Yuan Xiao-Zhong, Zheng Hang
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  • Abstract views:  2744
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  • Received Date:  18 October 2004
  • Accepted Date:  28 December 2004
  • Published Online:  07 July 2005

Influence of electron-phonon interaction on single electron tunneling in a quantum dot molecule

  • 1. 上海交通大学物理系,上海 200240

Abstract: The dynamics of electron tunneling between double quantum dots is investigated t heoretically in terms of a perturbation method based on a unitary transformation . Considering electron coupling with phonons, the dynamical tunneling current is obtained analytically. The phonon-induced decoherence is studied in detail. A possible decoupling mechanism is proposed.

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