Dynamics of Electron Coherence in Mesoscopic Quantum Transport and Interference Devices

  • 許 維元

Student thesis: Doctoral Thesis


In this thesis we investigate electron coherence in quantum transport and interference devices In particular we specifically focus on the physical properties of a double-quantum-dot Aharonov-Bohm interferometer This simple system is an ideal platform for exploring the issues of quantum coherence dissipation and interference that prevail in many quantum transport systems in a unified framework By solving an exact master equation we study explicitly the dynamics of the full electronic configurations of the double-quantum-dot system We also investigate the transient transport dynamics of such interferometer We further make an extension to include spin-orbit interaction in the same setup and examine the time-dependent spin-resolved transport dynamics By comprehending the properties of various physical quantities we provide a perspective on electron coherence in quantum transport and interference devices
Date of Award2014 Jun 27
Original languageEnglish
SupervisorWei-Min Zhang (Supervisor)

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