Integrable multi-phase thermodynamic systems and Tsallis' composition rule

Giuseppe de Nittis, Paolo Lorenzoni, Antonio Moro

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We derive a class of equations of state for a multi-phase thermodynamic system associated with a finite set of order parameters that satisfy an integrable system of hydrodynamic type. As particular examples, we discuss one-phase systems such as the van der Waals gas and the effective molecular field model. The case of $N-$phase systems is also discussed in detail in connection with entropies depending on the order parameter according to Tsallis' composition rule.
Original languageEnglish
Pages (from-to)012009
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 2014


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