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Density functional theories of hard particle systems

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URI: http://hdl.handle.net/10016/7203
ISSN: 1616-6361
ISBN: 978-3-540-78766-2
DOI: 10.1007/978-3-540-78767-9_7
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density_cuesta_lnp_2008_ps.pdf (1.72 MB)
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2008-07
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Springer
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This chapter deals with the applications of the density functional (DF) formalism to the study of inhomogeneous systems with hard core interactions. It includes a brief tutorial on the fundamentals of the method, and the exact free energy DF for one-dimensional hard rods obtained by Percus. The development of DF approximations for the free energy of hard spheres (HS) is presented through its milestones in the weighted density approximation (WDA) and the fundamental measure theory (FMT). The extensions of these approaches to HS mixtures include the FMT treatment of polydisperse systems and the approximations for mixtures with non-additive core radii. The DF treatment of non-spherical hard core systems is presented within the generic context of the study of liquid crystals phases. The chapter is directed to the potential users of these theoretical techniques, with clear explanations of the practical implementation details of the most successful approximations.
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95 pages, 21 figures.-- Chapter in "Theory and Simulation of Hard-Sphere Fluids and Related Systems" (Lecture Notes in Physics 753/2008), http://dx.doi.org/10.1007/978-3-540-78767-9
MR#: MR2503511
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Tarazona P., et al.: Density Functional Theories of Hard Particle Systems. Lect. Notes Phys. 753, 247-341 (2008)
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