Observables of first-order phase transitions

F Gulminelli and Ph Chomaz

Physica A: Statistical Mechanics and its Applications, 2002, vol. 305, issue 1, 336-339

Abstract: The general conditions for the existence of a negative heat capacity branch in nonextensive finite systems are reviewed. Partial energy fluctuations are proposed as a directly measurable observable of such a phenomenon in Gibbs as well as Tsallis equilibria.

Keywords: Phase transitions; Heat capacity; Fluctuations (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:305:y:2002:i:1:p:336-339

DOI: 10.1016/S0378-4371(01)00684-7

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