PMID: 15244575Jul 13, 2004Paper

Ising fluids in an external magnetic field: an integral equation approach

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
I P OmelyanW Fenz

Abstract

The phase behavior of Ising spin fluids is studied in the presence of an external magnetic field with the integral equation method. The calculations are performed on the basis of a soft mean spherical approximation using an efficient algorithm for solving the coupled set of the Ornstein-Zernike equations, the closure relations, and the external field constraint. The phase diagrams are obtained in the whole thermodynamic space including the magnetic field H for a wide class of Ising fluid models with various ratios R of the strengths of magnetic to nonmagnetic Yukawa-like interactions. The influence of varying the inverse screening lengths z(1) and z(2), corresponding to the magnetic and nonmagnetic Yukawa parts of the potential, is investigated too. It is shown that changes in R as well as in z(1) and z(2) can lead to different topologies of the phase diagrams. In particular, depending on the value of R, the critical temperature of the liquid-gas transition either decreases monotonically, behaves nonmonotonically, or increases monotonically with increasing H. The para-ferro magnetic transition is also affected by changes in R and the screening lengths. At H=0, the Ising fluid maps onto a simple model of a symmetric nonmagnetic ...Continue Reading

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Mar 15, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·W Fenz, R Folk
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Feb 3, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·W FenzI P Omelyan

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Citations

Dec 24, 2008·The Journal of Chemical Physics·N G AlmarzaA Gallardo
Dec 28, 2006·The Journal of Chemical Physics·Jürgen KöfingerGerhard Kahl
Oct 15, 2005·The Journal of Chemical Physics·Elisabeth Schöll-Paschinger, Gerhard Kahl
Jun 25, 2005·The Journal of Chemical Physics·Gabriel M Range, Sabine H L Klapp
Apr 7, 2007·The Journal of Chemical Physics·I P OmelyanW Fenz
May 21, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·W Fenz, R Folk
Oct 26, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·I P OmelyanR Folk
Oct 10, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·E LombaF Lado
Jun 13, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Stefanie M CattesMartin Schoen
Dec 31, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·W FenzR Folk
Nov 13, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·F Lado, E Lomba
Mar 24, 2005·Physical Review Letters·I P OmelyanR Folk
Mar 5, 2009·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·I P OmelyanI M Mryglod
Aug 7, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·W FenzI P Omelyan
Aug 3, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Stefanie M WandreiMartin Schoen
Jun 16, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Gersh O Berim, Eli Ruckenstein

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