Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2001-06-21
Physics
Condensed Matter
Statistical Mechanics
4 pages, no figures, revised version, new title, accepted in PRL
Scientific paper
10.1103/PhysRevLett.88.020601
Within the Tsallis thermodynamics' framework, and using scaling properties of the entropy, we derive a generalization of the Gibbs-Duhem equation. The analysis suggests a transformation of variables that allows standard thermodynamics to be recovered. Moreover, we also generalize Einstein's formula for the probability of a fluctuation to occur by means of the maximum statistical entropy method. The use of the proposed transformation of variables also shows that fluctuations within Tsallis statistics can be mapped to those of standard statistical mechanics.
Planes Antoni
Vives Eduard
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