Steady-state organization of binary mixtures by active impurities

Mads Christian Sabra, Henriette Gilhøj, Ole G. Mouritsen

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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.
Original languageEnglish
JournalPhysical Review E. Statistical, Nonlinear, and Soft Matter Physics
Volume58
Issue number3
Pages (from-to)3547-3551
ISSN1063-651X
DOIs
Publication statusPublished - 1998

Bibliographical note

Copyright (1998) by the American Physical Society.

Keywords

  • KINETICS
  • MEMBRANES
  • PHASE-SEPARATION
  • SIMULATIONS
  • INTERFACES
  • DYNAMICS
  • BILAYER

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