Andrew Adamatzky Andrew.Adamatzky@uwe.ac.uk
Professor
Andrew Adamatzky Andrew.Adamatzky@uwe.ac.uk
Professor
Benjamin De Lacy Costello Ben.DeLacyCostello@uwe.ac.uk
Associate Professor in Diagnostics and Bio-Sensing Technology
Lawrence Bull Larry.Bull@uwe.ac.uk
School Director (Research & Enterprise) and Professor
Julian Holley
A sub-excitable Belousov-Zhabotinsky medium exhibits localized travelling excitations (in contrast to an excitable medium exhibiting target or spiral waves). Initially assymetric perturbations give birth to excitation wave-fragments. The shape and velocity vectors of the wave-fragments are conserved, meaning they can travel for substantial distances in the reaction media. When the wave-fragments collide they may reflect, merge, or annihilate. We interpret wave-fragments as values of logical variables, and the post-collision states of the fragments as outputs of logical gates. We show how to cascade logical gates in primitive arithmetical circuits. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Journal Article Type | Review |
---|---|
Publication Date | Jan 1, 2011 |
Journal | Israel Journal of Chemistry |
Print ISSN | 0021-2148 |
Electronic ISSN | 1869-5868 |
Publisher | Wiley-VCH Verlag |
Peer Reviewed | Peer Reviewed |
Volume | 51 |
Issue | 1 |
Pages | 56-66 |
DOI | https://doi.org/10.1002/ijch.201000046 |
Keywords | wave fragments,systems, motion, Belousov-Zhabotinsky reaction, excitable chemical medium, collision-based computing, nonequilibrium processes, computational chemistry |
Public URL | https://uwe-repository.worktribe.com/output/965410 |
Publisher URL | http://www.wiley-vch.de/publish/en/ |
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