Pair stress approximation: Difference between revisions
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'''Pair stress approximation''' <ref>[http://dx.doi.org/10.1063/1.1669587 Emmanuel Meeron and Arnold J. F. Siegert "Statistical Mechanics of Hard‐Particle Systems", Journal of Chemical Physics '''48''' pp. 3139-3155 (1968)]</ref> | '''Pair stress approximation''' <ref>[http://dx.doi.org/10.1063/1.1669587 Emmanuel Meeron and Arnold J. F. Siegert "Statistical Mechanics of Hard‐Particle Systems", Journal of Chemical Physics '''48''' pp. 3139-3155 (1968)]</ref> for [[Idealised models#'Hard' models | hard particles]] is given by (Eq. 3.18) | ||
:<math>\rho B_2 = \frac{q}{(1+q)^{B_3}}</math> | |||
where <math>q= P/k_BT\rho -1</math>, <math>B_2</math> is the [[second virial coefficient]] and <math>B_3</math> is the third [[Virial equation of state#Virial coefficients | virial coefficient]]. | |||
==See also== | ==See also== | ||
*[[Scaled-particle theory]] | *[[Scaled-particle theory]] | ||
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<references/> | <references/> | ||
[[category: statistical mechanics]] | [[category: statistical mechanics]] | ||
[[category: equations of state]] | |||
Latest revision as of 15:35, 19 October 2011
Pair stress approximation [1] for hard particles is given by (Eq. 3.18)
where , is the second virial coefficient and is the third virial coefficient.
