Local composition in Lennard-Jones systems of particles with flexible shape

A two-dimensional Lennard-Jones system of particles with flexible shape is studied by Monte Carlo simulations. Each particle involves an internal degree of freedom characterizing a gradual change in shape from circular to elliptical with maximum anisotropy. The condis crystal,† which is characterize...

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Bibliographic Details
Published in:Molecular physics 1999-05, Vol.96 (10), p.1525-1531
Main Authors: HAHN, J., TREBIN, H.-R., GROSSMANN, H. P.
Format: Article
Language:English
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Summary:A two-dimensional Lennard-Jones system of particles with flexible shape is studied by Monte Carlo simulations. Each particle involves an internal degree of freedom characterizing a gradual change in shape from circular to elliptical with maximum anisotropy. The condis crystal,† which is characterized by translational order and a mixture of particle shapes, is analysed in detail. The simulations show that in the condis phase the shape flexibility of the particles does not allow (i) stable interfaces formed by particles of both limiting intraparticle states and (ii) the formation of blocks of particles with similar shape.
ISSN:0026-8976
1362-3028
DOI:10.1080/00268979909483095