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Failure of thermodynamics near a phase transition | F Gulminelli
; Ph Chomaz
; | Date: |
30 Sep 2002 | Journal: | Phys Rev E, 66 (4 Pt 2), 046108 | Abstract: | In the vicinity of a first-order phase transition, the equation of state might be different when the extensive variable is controlled instead of the intensive one, violating the uniqueness of thermodynamics. A sufficient condition for this nonequivalence to survive at the thermodynamical limit is worked out for classical systems. If energy consists of a kinetic and a potential part, the microcanonical ensemble does not converge towards the canonical ensemble when the kinetic heat capacity is larger than the modulus of the negative interaction heat capacity. | Source: | PubMed, pmid12443260 | Services: | Forum | Review | Favorites |
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