Department of Physics, Faculty of Science, Australian National University,Canberra, ACT, 0200, Australia.
J. Chem. Phys. 103 , 9884-9885 (1995)
Abstract
The conventional implementation of the isobaric (fluctuating volume)
ensemble neglects the density of volume states.
Here it is shown that the latter is proportional to the inverse
of the volume.
It is argued that this expression should always be used,
and that it has measurable consequences in simulations
of small systems,
in simulations that seek an accurate equation of state,
and in simulations of the critical, spinodal, and coexistance regions.
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