Transient Current Behavior of Nanoscale Objects: Role of Displacement Current and Polaron Effects
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概要
- 論文の詳細を見る
The transient current behavior of nanoscale objects is theoretically investigated based on the reduced quantum Liouville equation scheme. Applying the scheme to an atomic contact junction reveals that the displacement current plays an essential role in the transient current behavior. Moreover, the influence of electron–phonon interaction on the transient current in the junction is studied. The current relaxation time increases exponentially with the electron–phonon coupling strength, while the steady-state current decreases exponentially. These effects can be understood in terms of the polaron mass.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2009-07-25
著者
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Watanabe Kazuyuki
Department Of Orthopaedic Surgery Fukushima Medical University School Of Medicine
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Yamamoto Takahiro
Department Of Bioscience And Biotechnology Okayama University
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Yamada Koji
Deparment Of Food Science And Technology Faculty Of Agriculture Kyushu University
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Yamamoto Takahiro
Department of Materials Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
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Watanabe Kazuyuki
Department of Physics, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
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