分区流体表面的形状变换
Shape transformations of a compartmentalized fluid surface
摘要：
利用动态三角剖分的蒙特卡罗模拟技术，研究了一种分区球的表面模型。我们发现，该模型表现出各种相：球形相，管状相，平面相，蠕虫状平面相，蠕虫状长相，蠕虫状短相，和塌陷相。它还表明，几乎所有的阶段是从他们的相邻相分离的一阶跃迁。表面的机械强度仅由弹性骨架给出，弹性骨架是隔室边界，顶点在隔室内部自由扩散。我们确认，细胞骨架结构和顶点的横向扩散是这样的各种阶段的起源。
英文摘要：
A surface model on compartmentalized spheres is studied by using the Monte Carlo simulation technique with dynamical triangulations. We found that the model exhibits a variety of phases: the spherical phase, the tubular phase, the planar phase, the wormlike planar phase, the wormlike long phase, the wormlike short phase, and the collapsed phase. It is also shown that almost all phases are separated from their neighboring phases by first-order transitions. Mechanical strength of the surface is given only by elastic skeletons, which are the compartment boundaries, and vertices diffuse freely inside the compartments. We confirm that the cytoskeletal structure and the lateral diffusion of vertices are an origin of such a variety of phases.
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