Computing with Liquid Crystal Fingers: Models of geometric and logical computation

Details Computing with Liquid Crystal Fingers: Models of geometric and logical computation Computing with Liquid Crystal Fingers: Models of geometric and logical computation

2011-11-12

arxiv.org/abs/1111.2944v1

Nonlinear Sciences

Pattern Formation and Solitons

submitted Sept 2011

Scientific paper

When a voltage is applied across a thin layer of cholesteric liquid crystal, fingers of cholesteric alignment can form and propagate in the layer. In computer simulation, based on experimental laboratory results, we demonstrate that these cholesteric fingers can solve selected problems of computational geometry, logic and arithmetics. We show that branching fingers approximate a planar Voronoi diagram, and non-branching fingers produce a convex subdivision of concave polygons. We also provide a detailed blue-print and simulation of a one-bit half-adder functioning on the principles of collision-based computing, where the implementation is via collision of liquid crystal fingers with obstacles and other fingers.

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