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Physical Temperature And Pressure In Fully Nonextensive Statistical Thermodynamics

Author

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  • VIOREL BADESCU

    (Candida Oancea Institute, Polytechnic University of Bucharest, Spl. Independentei 313, Bucharest 060042, Romania)

Abstract

This paper generalizes previous results concerning the definitions of physical temperature and pressure in nonextensive statistical thermodynamics. The novelty is that both the internal energy and the volume are no longer additive functions. The new approach is referred to as "fully" nonextensive thermodynamics. The physical temperature is different from the inverse of the Lagrange multiplier. This fact changes the form of some usual thermodynamic relations. For example, the Clausius definition of the thermodynamic entropy has to be modified. As an application, the classical gas model is examined with statistical calculations performed under the Tsallis–Mendes–Plastino formalism of nonextensive thermodynamics. The specific heat expression differs from the one encountered in ordinary extensive thermodynamics but the equation of state keeps the same form.

Suggested Citation

  • Viorel Badescu, 2008. "Physical Temperature And Pressure In Fully Nonextensive Statistical Thermodynamics," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 11(01), pages 43-54.
    • Handle: RePEc:wsi:acsxxx:v:11:y:2008:i:01:n:s0219525908001477
    DOI: 10.1142/S0219525908001477
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    Cited by:

    1. Badescu, Viorel, 2022. "How far is the upper bound of photovoltaic conversion efficiency from the paramount efficiency of work extraction from statistically deformed thermal radiation energy?," Renewable Energy, Elsevier, vol. 198(C), pages 789-803.

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