# Resolve RDF Terms

quantitykind:GrandCanonicalPartitionFunction
http://qudt.org/vocab/quantitykind/GrandCanonicalPartitionFunction

### Recommended prefix

quantitykind:

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Grand Canonical Partition Function
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http://en.wikipedia.org/wiki/Partition_function_(statistical_mechanics)
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http://www.iso.org/iso/catalogue_detail?csnumber=31894
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$$\Xi = \sum_{N_A, N_B, ...} Z(N_A, N_B, ...) \cdot \lambda_A^{N_A} \cdot \lambda_B^{N_B} \cdot ...$$, where $$Z(N_A, N_B, ...)$$ is the canonical partition function for the given number of particles $$A, B, ...,$$, and $$\lambda_A, \lambda_B, ...$$ are the absolute activities of particles $$A, B, ...$$.
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$$\Xi$$
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An "Grand Canonical Partition Function" for a grand canonical ensemble, a system that can exchange both heat and particles with the environment, which has a constant temperature and a chemical potential.