Partition function (statistical mechanics): Difference between revisions

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Grand canonical partition function: I changed the 'k' to k_B, since that seemed more logical. Please revert the change if not correct.
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The grand partition function is sometimes written (equivalently) in terms of alternate variables as<ref>{{cite book | isbn = 9780120831807 | title = Exactly solved models in statistical mechanics | last1 = Baxter | first1 = Rodney J. | year = 1982 | publisher = Academic Press Inc. }}</ref>
:<math> \mathcal{Z}(z, V, T) = \sum_{N_i} z^{N_i} Z(N_i, V, T), </math>
where <math>z \equiv \exp(\mu/kTk_B T)</math> is known as the absolute [[activity (chemistry)|activity]] (or [[fugacity]]) and <math>Z(N_i, V, T)</math> is the canonical partition function.
 
==See also==