Noise enhanced performance of ratchet cellular automata
Dusan Babic (1, 2), Clemens Bechinger (1) ((1) 2. Physikalisches, Institut, Universitaet Stuttgart, Stuttgart, Germany,(2) Faculty for, Mathematics, Physics, University of Ljubljana, Ljubljana, Slovenia)
TL;DR
This paper experimentally demonstrates that noise can improve the efficiency of information transport in a ratchet cellular automaton using colloidal particles, enabling optimal operation at finite temperatures.
Contribution
First experimental realization of a ratchet cellular automaton showing noise-enhanced performance in a dissipative particle system.
Findings
Noise improves information transport efficiency.
Optimal operation occurs at finite temperatures.
Experimental validation of theoretical predictions.
Abstract
We present the first experimental realization of a ratchet cellular automaton (RCA) which has been recently suggested as an alternative approach for performing logical operations with interacting (quasi) particles. Our study was performed with interacting colloidal particles which serve as a model system for other dissipative systems i.e. magnetic vortices on a superconductor or ions in dissipative optical arrays. We demonstrate that noise can enhance the efficiency of information transport in RCA and consequently enables their optimal operation at finite temperatures.
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