Difference between revisions of "Kirkwood superposition approximation"

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It was pointed out in Ref.s 4 and 5, that there is an inconsistency between
 
It was pointed out in Ref.s 4 and 5, that there is an inconsistency between
 
the pressure and the compressibility equation if this superposition approximation is used to generate <math>g(r)</math>.
 
the pressure and the compressibility equation if this superposition approximation is used to generate <math>g(r)</math>.
 
+
This approximation is rigorously correct for one-dimensional systems, and is only true in three-dimensions in the limit of zero density.
 
==References==
 
==References==
 
#[http://dx.doi.org/10.1063/1.1749657  John G. Kirkwood, "Statistical Mechanics of Fluid Mixtures", Journal of Chemical Physics '''3''' pp. 300-313 (1935)]
 
#[http://dx.doi.org/10.1063/1.1749657  John G. Kirkwood, "Statistical Mechanics of Fluid Mixtures", Journal of Chemical Physics '''3''' pp. 300-313 (1935)]

Revision as of 14:48, 28 June 2007