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A Multiple-Valued Hopfield Network Device Using Single-Electron Circuits
Takashi YAMADA Yoshihito AMEMIYA
IEICE TRANSACTIONS on Electronics
Publication Date: 1999/09/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Integrated Electronics and New System Paradigms)
Category: Quantum Devices and Circuits
single electron, Hopfield network, multiple-valued,
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We developd a method of implementing a multiple-valued Hopfield network on electronic circuits by using single-electron circuit technology. The single-electron circuit shows quantized behavior in its operation because of the discrete tunnel transport of electrons. It can therefore be successfully used for implementing neuron operation of the multiple-valued Hopfield network. The authors developed a single-electron neuron circuit that can produce the staircase transfer function required for the multiple-valued neuron. A method for constructing a multiple-valued Hopfield network by combining the neuron circuits was also developed. A sample network was designed that solves an example of the quadratic integer-programming problem. And a computer simulation demonstrated that the sample network can converge to its optimal state that represents the correct solution to the problem.