Volume 69, Number 5, March 2005
|Page(s)||719 - 724|
|Published online||02 February 2005|
Boltzmann entropy and the microcanonical ensemble
Universiteit Antwerpen - Universiteitsplein 1, 2610 Antwerpen, Belgium
Corresponding author: email@example.com
Accepted: 23 December 2004
Boltzmann's entropy is slightly modified to make it suitable for discussing phase transitions in finite systems. As an example, it is shown that the pendulum undergoes a second-order phase transition when passing from a vibrational to a rotating state.
PACS: 05.20.Gg – Classical ensemble theory
© EDP Sciences, 2005
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