Test volume method: Difference between revisions
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(New page: An alternative to the virial pressure route to calculating the pressure, there is a method which consists on evaluating the change in internal energy, <math>\Delta U</math> produce...) |
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Revision as of 11:53, 7 February 2008
An alternative to the virial pressure route to calculating the pressure, there is a method which consists on evaluating the change in internal energy, produced by a small change in the volume of the system . It can be shown that
where is the Boltzmann constant and is the temperature.
The method is clearly inspired by the Widom test-particle method to obtain the chemical potential.