Steady-state organization of binary mixtures by active impurities

Mads C. Sabra, Henriette Gilhøj, and Ole G. Mouritsen
Phys. Rev. E 58, 3547 – Published 1 September 1998
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Abstract

The structural reorganization of a phase-separated binary mixture in the presence of an annealed dilution of active impurities is studied by computer-simulation techniques via a simple two-dimensional lattice-gas model. The impurities, each of which has two internal states with different affinity for the two species, become active by an external driving of a transition between the two impurity states, leading to an energy flow from the impurities into the binary mixture. In steady state, the drive is found to break down the phase-separated state and lead to a new finite length scale controlled by the drive. The model can be extended to describe compartmentalization of biomembranes by active membrane-bound proteins.

  • Received 10 September 1997

DOI:https://doi.org/10.1103/PhysRevE.58.3547

©1998 American Physical Society

Authors & Affiliations

Mads C. Sabra, Henriette Gilhøj, and Ole G. Mouritsen*

  • Department of Chemistry, Technical University of Denmark, Building 206, DK-2800 Lyngby, Denmark

  • *Author to whom correspondence should be addressed. FAX:+45-45-934808. Electronic address: ogm@kemi.dtu.dk

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Issue

Vol. 58, Iss. 3 — September 1998

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