A single-electron circuit as a discrete dynamical system |
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Authors: | Takahide Oya Yoshiyuki Takahashi Masayuki Ikebe Tetsuya Asai Yoshihito Amemiya |
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Institution: | Department of Electrical Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo 060-8628, Japan |
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Abstract: | A single-electron circuit can be operated as a discrete dynamical system because it changes its internal state discontinuously because of electron tunneling. To confirm this idea, we designed a sample circuit for discrete dynamical operation and confirmed by computer simulation that the circuit successfully generated a sequence of discrete-time outputs by following a return map. The concept of discrete dynamical systems will be useful in developing new functional systems that consist of quantum devices and nanostructures. |
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Keywords: | Single-electron circuit Return map Chaos Discrete dynamical system Bifurcation |
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