A possible nanometer-scale computing device based on an adding cellular automaton

Simon C. Benjamin; Neil F. Johnson

doi:10.1063/1.118851

A possible nanometer-scale computing device based on an adding cellular automaton

Simon C. Benjamin, Neil F. Johnson

Physics

Research output: Contribution to journal › Article › peer-review

39 Scopus citations

Abstract

We present a simple one-dimensional cellular automaton (CA) which has the property that an initial state composed of two binary numbers evolves quickly into a final state which is their sum. We call this CA the adding cellular automaton (ACA). The ACA requires only 2N two-state cells in order to add any two N - 1 bit binary numbers. The ACA could be directly realized as a wireless nanometer-scale computing device. A possible implementation using coupled quantum dots is outlined.

Original language	English (US)
Pages (from-to)	2321-2323
Number of pages	3
Journal	Applied Physics Letters
Volume	70
Issue number	17
DOIs	https://doi.org/10.1063/1.118851
State	Published - Apr 28 1997

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.118851

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A possible nanometer-scale computing device based on an adding cellular automaton

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