Chapter Two

System-Size Dependence in Grand Canonical and Canonical Ensembles

Debajit Chakraborty*; James Dufty,1; Valentin V. Karasiev*    * Quantum Theory Project, Departments of Physics and of Chemistry, University of Florida, Gainesville, Florida, USA Department of Physics, University of Florida, Gainesville, Fl, USA1 Corresponding author: email address: dufty@phys.ufl.edu

Abstract

The thermodynamics for a system with given temperature, density, and volume is described by the Canonical ensemble. The thermodynamics for a corresponding system with the same temperature, volume, and average density is described by the Grand Canonical ensemble. In general, a chosen thermodynamic potential (e.g., free energy) is different in the two cases. ...

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