1211.5284 (Tamas S. Biro)
Tamas S. Biro
The thermodynamical probability for an ideal gas having a given energy, E, and the conditional probability for a part of an ideal gas having another energy, E_1, are considered both in the traditional way and in a factorizing setting. The latter delivers the q-entropy formulas of Renyi and Tsallis. The factorizing quantity and the corresponding q-entropy is obtained for both types of probabilities. Finally perspectives for generalizations to systems with energy- or entropy-dependent heat capacity are discussed.
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http://arxiv.org/abs/1211.5284
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