Issue |
Europhys. Lett.
Volume 65, Number 5, March 2004
|
|
---|---|---|
Page(s) | 606 - 612 | |
Section | General | |
DOI | https://doi.org/10.1209/epl/i2003-10171-6 | |
Published online | 01 February 2004 |
Temperature and pressure in nonextensive thermostatistics
1
Institut Supérieur des Matériaux et Mécaniques Avancés 44 Avenue F. A. Bartholdi, 72000 Le Mans, France
2
Laboratoire de Physique de l'état Condensé, Université du Maine 72000 Le Mans, France
Received:
5
November
2003
Accepted:
17
December
2003
The definitions of temperature in the nonextensive statistical thermodynamics based on Tsallis entropy are analyzed. A definition of pressure is proposed for nonadditive systems by using a nonadditive effective volume. The thermodynamics of nonadditive photon gas is discussed on this basis. We show that the Stefan-Boltzmann law can be preserved within nonextensive thermodynamics.
PACS: 05.20.-y – Classical statistical mechanics / 05.70.-a – Thermodynamics / 02.50.-r – Probability theory, stochastic processes, and statistics
© EDP Sciences, 2004
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