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Scientific article
Letter
Open access
English

Lizard Skin Patterns and the Ising Model

Published inPhysical review letters, vol. 128, no. 4, p. 1-6; 048102
Publication date2022-01-27
First online date2022-01-27
Abstract

The ocellated lizard (Timon lepidus) exhibits an intricate skin color pattern made of monochromatic black and green skin scales, whose dynamics of color flipping are known to be well modeled by a stochastic cellular automaton. We show that the late-time probability distribution of the pattern corresponds to the canonical probability distribution of the antiferromagnetic Ising model and can be generated by dynamics different from the commonly-used Glauber. We comment on skin scale patterns generated by the Ising model on the triangular lattice in the low-temperature limit.

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Citation (ISO format)
ZAKANY, Szabolcs, SMIRNOV, Stanislav, MILINKOVITCH, Michel C. Lizard Skin Patterns and the Ising Model. In: Physical review letters, 2022, vol. 128, n° 4, p. 1–6. doi: 10.1103/PhysRevLett.128.048102
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ISSN of the journal0031-9007
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