Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2005-03-11
Physics
Condensed Matter
Soft Condensed Matter
accepted for publication at Phys. Rew. Lett
Scientific paper
10.1103/PhysRevLett.94.148303
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.
Babic Dusan
Bechinger Clemens
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