Practical Analysis of Single Electron Pump with Harmonic Drive

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概要

• 論文の詳細を見る

• We study a two-gate single electron pump device with harmonic AC gate voltages. We have performed numerical and analytical calculations of quantum correction to a DC current due to the cotunneling phenomena. This correction determines the accuracy of the device in a wide range of parameters (temperature, frequency and amplitude of the gate voltage modulation). We found the crossover from adiabatic transport at lower frequencies f<<f_<cr> to non-adiabatic transport at higher frequencies f>>f_<cr>. The crossover frequency f_<cr>={k_BT/(e^2/C)}^2/(A R_T C) is argued to be the optimal frequency of the pump operation.

• 社団法人応用物理学会の論文
• 1995-10-15

著者

• Fukushima Akio

  Electrotechnical Laboratory

• Iwasa Akio

  Electrotechnical Laboratory

• Odintsov A

  Electrotechnical Laboratory:(present Address)department Of Applied Physics Delft University Of Techn

• ODINTSOV Arkadi

  Electrotechnical Laboratory

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• Practical Analysis of Single Electron Pump with Harmonic Drive

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