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题名: Fluctuations in a ferrofluid monolayer: An integral equation study
作者: Luo, Liang ;  Klapp, Sabine H. L.
刊名: JOURNAL OF CHEMICAL PHYSICS
出版日期: 2009
卷号: 131, 期号:3, 页码:-
关键词: DIPOLAR HARD-SPHERES ;  HYPERNETTED-CHAIN APPROXIMATION ;  NONSPHERICAL PARTICLES ;  ORIENTATIONAL ORDER ;  LINEAR-MOLECULES ;  COMPUTER-SIMULATION ;  NUMERICAL-SOLUTION ;  FLUIDS ;  PHASE ;  TRANSITION
学科分类: Physics
通讯作者: Luo, L , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
部门归属: [Luo, L] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Luo, L; Klapp, SHL] Tech Univ Berlin, Inst Theoret Phys, D-10623 Berlin, Germany
英文摘要: Using integral equation theory in the reference hypernetted chain (RHNC) approximation we investigate the structure and phase behavior of a monolayer of dipolar spheres. The dipole orientations of the particles fluctuate within the plane. The resulting angle dependence of the correlation functions is treated via an expansion in two-dimensional rotational invariants. For homogeneous, isotropic states the RHNC correlation functions turn out to be in good agreement with Monte Carlo simulation data. We then use the RHNC theory combined with a stability (fluctuation) analysis to identify precursors of the low-temperature behavior. As expected, the fluctuations point to pair and cluster formation in the range of low and moderate densities. At high densities, there is no clear indication for a ferroelectric transition, contrary to what is found in three-dimensional dipolar fluids. The stability analysis rather indicates an alignment of chains supplemented by local crystal-like order.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000268206800055
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5276
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:
Luo, Liang,Klapp, Sabine H. L.. Fluctuations in a ferrofluid monolayer: An integral equation study[J]. JOURNAL OF CHEMICAL PHYSICS,2009,131(3):-.
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