Editing Chemical potential
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where <math>G</math> is the [[Gibbs energy function]], leading to | where <math>G</math> is the [[Gibbs energy function]], leading to | ||
:<math> | :<math>\mu=\frac{A}{Nk_B T} + \frac{pV}{Nk_BT}</math> | ||
where <math>A</math> is the [[Helmholtz energy function]], <math>k_B</math> | where <math>A</math> is the [[Helmholtz energy function]], <math>k_B</math> | ||
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number of particles | number of particles | ||
:<math>\mu= \left. \frac{\partial A}{\partial N}\right\vert_{T,V}=\frac{\partial (-k_B T \ln Z_N)}{\partial N} = - | :<math>\mu= \left. \frac{\partial A}{\partial N}\right\vert_{T,V}=\frac{\partial (-k_B T \ln Z_N)}{\partial N} = -\frac{3}{2} k_BT \ln \left(\frac{2\pi m k_BT}{h^2}\right) + \frac{\partial \ln Q_N}{\partial N}</math> | ||
where <math>Z_N</math> is the [[partition function]] for a fluid of <math>N</math> | where <math>Z_N</math> is the [[partition function]] for a fluid of <math>N</math> | ||
identical particles | identical particles | ||
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where <math>\Phi_{12}(r)</math> is the [[intermolecular pair potential]] and <math>{\rm g}(r)</math> is the [[Pair distribution function | pair correlation function]]. | where <math>\Phi_{12}(r)</math> is the [[intermolecular pair potential]] and <math>{\rm g}(r)</math> is the [[Pair distribution function | pair correlation function]]. | ||
==See also== | ==See also== | ||
*[[Ideal gas: Chemical potential]] | *[[Ideal gas: Chemical potential]] | ||
*[[Widom test-particle method]] | |||
*[[Overlapping distribution method]] | *[[Overlapping distribution method]] | ||
==References== | ==References== | ||
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*[http://dx.doi.org/10.1119/1.17844 G. Cook and R. H. Dickerson "Understanding the chemical potential", American Journal of Physics '''63''' pp. 737-742 (1995)] | *[http://dx.doi.org/10.1119/1.17844 G. Cook and R. H. Dickerson "Understanding the chemical potential", American Journal of Physics '''63''' pp. 737-742 (1995)] | ||
*[http://dx.doi.org/10.1007/s10955-005-8067-x T. A. Kaplan "The Chemical Potential", Journal of Statistical Physics '''122''' pp. 1237-1260 (2006)] | *[http://dx.doi.org/10.1007/s10955-005-8067-x T. A. Kaplan "The Chemical Potential", Journal of Statistical Physics '''122''' pp. 1237-1260 (2006)] | ||
[[category:classical thermodynamics]] | [[category:classical thermodynamics]] | ||
[[category:statistical mechanics]] | [[category:statistical mechanics]] | ||
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