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题名: Shapes of lipid monolayer domains: Solutions using elliptic functions
作者: Iwamoto, M. ;  Liu, F. ;  Ou-Yang, Z. C.
刊名: EUROPEAN PHYSICAL JOURNAL E
出版日期: 2008
卷号: 27, 期号:1, 页码:81-86
关键词: FLUORESCENCE MICROSCOPY ;  LANGMUIR MONOLAYERS ;  TRANSITIONS ;  VESICLES ;  INTERFACE ;  MEMBRANES ;  CRYSTALS ;  PHASE
学科分类: Physics
通讯作者: Iwamoto, M , Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, 2-12-1 Ookayama, Tokyo 1528552, Japan
部门归属: [Iwamoto, M] Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, Tokyo 1528552, Japan; [Liu, F] Singular Univ, Ctr Adv Study, Beijing 100084, Peoples R China; [Ou-Yang, ZC] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: Solid lipid monolayer domains surrounded by a fluid phase at an air-water interface exhibit complex shapes. These intriguing shapes can be understood in terms of a competition between line tension and long-range dipole-dipole interaction. The dipolar energy has recently been relevant to a negative line tension and a positive curvature energy at the boundary, and a corresponding shape equation was derived by the variation of the approximated domain energy (Phys. Rev. Lett. 93, 206101 (2004)). Here we further incorporate surface pressure into the shape equation and show that the equation can be analytically solved: the curvature of the domain boundary is exactly obtained as an elliptic function of arc-length. We find that a circular domain can grow into bean-and peach-like domains with pressure, i.e., dipping and cuspidal transitions of circle by compression. The comparison with the experimental observation shows nice agreement.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000259821300010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5469
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Iwamoto, M.,Liu, F.,Ou-Yang, Z. C.. Shapes of lipid monolayer domains: Solutions using elliptic functions[J]. EUROPEAN PHYSICAL JOURNAL E,2008,27(1):81-86.
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