Phase transition of compartmentalized surface models

H. Koibuchi ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2007, vol. 57, issue 3, 321-330

Abstract: Two types of surface models have been investigated by Monte Carlo simulations on triangulated spheres with compartmentalized domains. Both models are found to undergo a first-order collapsing transition and a first-order surface fluctuation transition. The first model is a fluid surface one. The vertices can freely diffuse only inside the compartments, and they are prohibited from the free diffusion over the surface due to the domain boundaries. The second is a skeleton model. The surface shape of the skeleton model is maintained only by the domain boundaries, which are linear chains with rigid junctions. Therefore, we can conclude that the first-order transitions occur independent of whether the shape of surface is mechanically maintained by the skeleton (=the domain boundary) or by the surface itself. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Keywords: 64.60.-i General studies of phase transitions; 68.60.-p Physical properties of thin films; nonelectronic; 87.16.Dg Membranes; bilayers; and vesicles (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1140/epjb/e2007-00170-y

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