Fluctuations in Particle Number in a Grand Canonical Ensemble of Small Systems

1 June 1974

journal article
Published by American Association of Physics Teachers (AAPT) in American Journal of Physics

Vol. 42 (6) , 478-481
https://doi.org/10.1119/1.1987755

Abstract

The extraction of the basic equations of thermodynamics for a grand canonical ensemble of small systems is reviewed briefly. A modified formula for the fluctuation in the number of particles in a small system, for which the extensive property may not hold, is derived in terms of the isothermal compressibility.

Keywords

GRAND CANONICAL
CANONICAL ENSEMBLE
SMALL SYSTEMS
PARTICLE NUMBER
FLUCTUATIONS IN PARTICLE