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001     14115
005     20240619083334.0
024 7 _ |2 pmid
|a pmid:21280773
024 7 _ |2 DOI
|a 10.1063/1.3524309
024 7 _ |2 WOS
|a WOS:000286897600098
024 7 _ |2 Handle
|a 2128/4677
037 _ _ |a PreJuSER-14115
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Physics, Atomic, Molecular & Chemical
100 1 _ |0 P:(DE-Juel1)VDB86654
|a Heinen, M.
|b 0
|u FZJ
245 _ _ |a Pair structure of the hard-sphere Yukawa fluid: An improved analytic method versus simulations, Rogers-Young scheme, and experiment
260 _ _ |a Melville, NY
|b American Institute of Physics
|c 2011
300 _ _ |a 044532
336 7 _ |a Journal Article
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336 7 _ |a article
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440 _ 0 |0 3145
|a Journal of Chemical Physics
|v 134
|x 0021-9606
|y 4
500 _ _ |a We thank S. Rogers, J. Gapinski and A. Patkowski for helpful discussions. M. H. acknowledges support by the International Helmholtz Research School of Biophysics and Soft Matter (IHRS BioSoft). A. J. B. acknowledges financial support from SeCyT-UNC and CONICET. This work was under appropriation of funds from the Deutsche Forschungsgemeinschaft (SFB-TR6, project B2).
520 _ _ |a We present a comprehensive study of the equilibrium pair structure in fluids of nonoverlapping spheres interacting by a repulsive Yukawa-like pair potential, with special focus on suspensions of charged colloidal particles. The accuracy of several integral equation schemes for the static structure factor, S(q), and radial distribution function, g(r), is investigated in comparison to computer simulation results and static light scattering data on charge-stabilized silica spheres. In particular, we show that an improved version of the so-called penetrating-background corrected rescaled mean spherical approximation (PB-RMSA) by Snook and Hayter [Langmuir 8, 2880 (1992)], referred to as the modified PB-RMSA (MPB-RMSA), gives pair structure functions which are in general in very good agreement with Monte Carlo simulations and results from the accurate but nonanalytical and therefore computationally more expensive Rogers-Young integral equation scheme. The MPB-RMSA preserves the analytic simplicity of the standard rescaled mean spherical (RMSA) solution. The combination of high accuracy and fast evaluation makes the MPB-RMSA ideally suited for extensive parameter scans and experimental data evaluation, and for providing the static input to dynamic theories. We discuss the results of extensive parameter scans probing the concentration scaling of the pair structure of strongly correlated Yukawa particles, and we determine the liquid-solid coexistence line using the Hansen-Verlet freezing rule.
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|a Holmqvist, P.
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|a Banchio, A.J.
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700 1 _ |0 P:(DE-Juel1)130858
|a Nägele, G.
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856 7 _ |u http://dx.doi.org/10.1063/1.3524309
856 4 _ |u https://juser.fz-juelich.de/record/14115/files/4677.pdf
|y OpenAccess
856 4 _ |u https://juser.fz-juelich.de/record/14115/files/FZJ-14115.pdf
|y Published under German "Allianz" Licensing conditions on 2011-01-28. Available in OpenAccess from 2011-01-28
|z Published final document.
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