Fabry-Perot Resonance in Aharonov-Bohm Conductance Oscillation at Finite Temperatures

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概要

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• The line shape of Fabry-Perot resonance in Aharonov-Bohm conductance oscillation in a mesoscopic ring is calculated as a function of magnetic phase shift at finite temperatures. The case of the maximum coupling between the ring and leads is considered. It is shown that the 2π periodic series of resonance peaks with height e^2/h and width zero at temperature T=0 is broadened as a result of energy dispersion. The peak height is almost kept invariant below 10 K. This is because Fermi energy is far larger than thermal breadth at the step of the Fermi function in this temperature range. Implications of these results are discussed in relation to application to small-area-single-flux-quantum devices.

• 社団法人応用物理学会の論文
• 1994-08-15

著者

• Takai Daisuke

  Fundamental Research Laboratories Nec Corporation

• OHTA Kuniichi

  Fundamental Research Laboratories, NEC Corporation

• Ohta Kuniichi

  Fundamental Research Laboratories Nec Corporation

関連論文

• Fabry-Perot Resonance in Aharonov-Bohm Conductance Oscillation at Finite Temperatures
• Alternate Sign Reversal in Magnetic Flux-Induced Persisternt Current in an Isolated Mesoscopic Ring by Half-the-Ring Electrostatic Potential
• Influence of Fringe Fields on Eleetrostatic Aharonov-Bohm Effects in Mesoscopie Ring
• Scaling Principle for Heterojunction Bipolar Integrated Circuit

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