Phase structure of intrinsic curvature models on dynamically triangulated disk with fixed boundary length |
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Authors: | H. Koibuchi |
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Affiliation: | (1) Department of Mechanical and Systems Engineering, Ibaraki National College of Technology, Nakane 866, Hitachinaka, Ibaraki 312-8508, Japan |
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Abstract: | A first-order phase transition is found in two types of intrinsic curvature models defined on dynamically triangulated surfaces of disk topology. The intrinsic curvature energy is included in the Hamiltonian. The smooth phase is separated from a non-smooth phase by the transition. The crumpled phase, which is different from the non-smooth phase, also appears at sufficiently small curvature coefficient α. The phase structure of the model on the disk is identical to that of the spherical surface model, which was investigated by us and reported previously. Thus, we found that the phase structure of the fluid surface model with intrinsic curvature is independent of whether the surface is closed or open. |
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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 |
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