Benjamin De Lacy Costello Ben.DeLacyCostello@uwe.ac.uk
Associate Professor in Diagnostics and Bio-Sensing Technology
Experimental implementation of collision-based gates in Belousov-Zhabotinsky medium
de Lacy Costello, Ben; Adamatzky, Andrew
Authors
Andrew Adamatzky Andrew.Adamatzky@uwe.ac.uk
Professor
Abstract
We experimentally demonstrate that excitation wave-fragments in a Belousov-Zhabotinsky (BZ) medium with immobilised catalyst can be used to build elementary logical gates and circuits. Following our previous theoretical constructions [Adamatzky A. Collision-based computing in Belousov Zhabotinsky medium. Chaos, Solitons & Fractals 2004;21:1259-64] on embedding logical schemes in BZ medium, we represent True/False values of logical variables by presence/absence of wave-fragments. We show that when wave-fragments collide with each other they may annihilate, fuse, split and change their velocity vectors. Thus the values of logical variables represented by the wave-fragments change and certain logical operations are implemented. In the paper we provide examples of experimental logical gates, and present pioneer results in dynamic, architectureless computing in excitable reaction-diffusion systems. © 2005 Elsevier Ltd. All rights reserved.
Journal Article Type | Article |
---|---|
Publication Date | Aug 1, 2005 |
Journal | Chaos, Solitons and Fractals |
Print ISSN | 0960-0779 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 25 |
Issue | 3 |
Pages | 535-544 |
DOI | https://doi.org/10.1016/j.chaos.2004.11.056 |
Keywords | collision-based gates, Belousov-Zhabotinsky medium |
Public URL | https://uwe-repository.worktribe.com/output/1048299 |
Publisher URL | http://dx.doi.org/10.1016/j.chaos.2004.11.056 |
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