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Thermodynamics > Thermodynamic Ensembles v
Physics Contributors > Walsh v



Grand Canonical Ensemble
    

Portions of this entry contributed by Peter J. Walsh

An ensemble of systems in contact with a heat reservoir for which and or and are specified. Grand canonical ensembles have probability distributions of

(1)

where is the energy of state r, is the number of states and

(2)
(3)

Canonical Ensemble, Chemical Potential, Ensemble




References

Fowler, R. H. and Guggenheim, E. A. Statistical Thermodynamics: A Version of Statistical Mechanics for Students of Physics and Chemistry. Cambridge, England: University Press, p. 541, 1949.