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Quasicrystalline order and a crystal-liquid state in a soft-core fluid

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journal contribution
posted on 28.07.2014, 10:56 by Andrew ArcherAndrew Archer, Alastair M. Rucklidge, Edgar Knobloch
A two-dimensional system of soft particles interacting via a two-length-scale potential is studied. Density functional theory and Brownian dynamics simulations reveal a fluid phase and two crystalline phases with different lattice spacing. Of these the larger lattice spacing phase can form an exotic periodic state with a fraction of highly mobile particles: a crystal liquid. Near the transition between this phase and the smaller lattice spacing phase, quasicrystalline structures may be created by a competition between linear instability at one scale and nonlinear selection of the other.

History

School

  • Science

Department

  • Mathematical Sciences

Published in

PHYSICAL REVIEW LETTERS

Volume

111

Issue

16

Pages

? - ? (5)

Citation

ARCHER, A.J., RUCKLIDGE, A.M. and KNOBLOCH, E., 2013. Quasicrystalline order and a crystal-liquid state in a soft-core fluid. Physical Review Letters, 111, 165501, 5pp.

Publisher

© American Physical Society

Version

VoR (Version of Record)

Publication date

2013

Notes

This work was supported in part by the National Science Foundation under Grant No. DMS-1211953 (E. K.).

ISSN

0031-9007

Language

en

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