Commensurate and Incommensurate Structures in a Nonequilibrium System

Mary Lowe, J. P. Gollub, and T. C. Lubensky
Phys. Rev. Lett. 51, 786 – Published 29 August 1983
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Abstract

A layer of nematic liquid crystal that has undergone an electrohydrodynamic instability (and contains nonequilibrium structures with period l0) is subjected to a spatially periodic electric field with periodicity l1. The competition between these two length scales is found to result in novel ordered phases similar to those found in equilibrium condensed-matter systems. A simple model is proposed that accounts for most of the observations.

  • Received 21 June 1983

DOI:https://doi.org/10.1103/PhysRevLett.51.786

©1983 American Physical Society

Authors & Affiliations

Mary Lowe and J. P. Gollub

  • Department of Physics, Haverford College, Haverford, Pennsylvania 19041, and Department of Physics, University of Pennsylvania, Philadelphia, Pennsylvania 19104

T. C. Lubensky

  • Department of Physics, University of Pennsylvania, Philadelphia, Pennsylvania 19104

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Issue

Vol. 51, Iss. 9 — 29 August 1983

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