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We study the analogy between buckled colloidal monolayers and the triangular-lattice Ising antiferromagnet. We calculate free-volume-induced Ising interactions, show how lattice deformations favor zigzag stripes that partially remove the Ising model ground-state degeneracy, and identify the martensitic mechanism prohibiting perfect stripes. Slowly inflating the spheres yields jamming as well as logarithmically slow relaxation reminiscent of the glassy dynamics observed experimentally.
Shokef, Y., & Lubensky, T. C. (2009). Stripes, Zigzags, and Slow Dynamics in Buckled Hard Spheres. Retrieved from http://repository.upenn.edu/physics_papers/59
Date Posted: 06 January 2011
This document has been peer reviewed.