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Article overview
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Ionic fluids: charge and density correlations near gas-liquid criticality | | Oksana Patsahan
; Ihor Mryglod
; Jean-Michel Caillol
; | | Date: |
17 May 2005 | | Journal: | Journal of Physics: Condensed Matter 17 (2005) L251 | | Subject: | Statistical Mechanics | cond-mat.stat-mech | | Affiliation: | ICMP), Ihor Mryglod (ICMP), Jean-Michel Caillol (LPT | | Abstract: | The correlation functions of an ionic fluid with charge and size asymmetry are studied within the framework of the random phase approximation. The results obtained for the charge-charge correlation function demonstrate that the second-moment Stillinger-Lovett (SL) rule is satisfied away from the gas-liquid critical point (CP) but not, in general, at the CP. However in the special case of a model without size assymetry the SL rules are satisfied even at the CP. The expressions for the density-density and charge-density correlation functions valid far and close to the CP are obtained explicitely. | | Source: | arXiv, cond-mat/0505402 | | Services: | Forum | Review | PDF | Favorites | |
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