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Fluctuations in a ferrofluid monolayer: An integral equation study
Luo, Liang; Klapp, Sabine H. L.; Luo, L , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
2009
发表期刊JOURNAL OF CHEMICAL PHYSICS
ISSN0021-9606
卷号131期号:3页码:-
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.
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
关键词Dipolar Hard-spheres Hypernetted-chain Approximation Nonspherical Particles Orientational Order Linear-molecules Computer-simulation Numerical-solution Fluids Phase Transition
学科领域Physics
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收录类别SCI
WOS记录号WOS:000268206800055
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5276
专题理论物理所SCI论文
通讯作者Luo, L , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
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GB/T 7714
Luo, Liang,Klapp, Sabine H. L.,Luo, L , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China. Fluctuations in a ferrofluid monolayer: An integral equation study[J]. JOURNAL OF CHEMICAL PHYSICS,2009,131(3):-.
APA Luo, Liang,Klapp, Sabine H. L.,&Luo, L , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.(2009).Fluctuations in a ferrofluid monolayer: An integral equation study.JOURNAL OF CHEMICAL PHYSICS,131(3),-.
MLA Luo, Liang,et al."Fluctuations in a ferrofluid monolayer: An integral equation study".JOURNAL OF CHEMICAL PHYSICS 131.3(2009):-.
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