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Liquid-gas binodal anomaly for systems with pairing transition

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Abstract:

For fermionic model systems with a separable interaction the BCS equations are solved self-consistently. In addition, the possibility of a liquid-gas phase transition is considered by inspecting thermodynamic stability. Different examples of temperature-density phase diagrams are given depending on the parameters of a model interaction. In particular, a liquid-gas binodal anomaly is found due to the superposition of the superfluid and the liquid-gas phase transition.

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Authors and Affiliations

  1. Fachbereich Physik, Universität Rostock, Universitätsplatz 3, 18051, Rostock, Germany

    H. Stein & G. Röpke

  2. Alfred-Wegener-Institut für Polar- und Meeresforschung, 27568, Bremerhaven, Germany

    C. Porthun

Authors
  1. H. Stein
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  2. C. Porthun
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  3. G. Röpke
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Received: 14 October 1997 / Accepted: 2 December 1997

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Stein, H., Porthun, C. & Röpke, G. Liquid-gas binodal anomaly for systems with pairing transition. Eur. Phys. J. B 2, 393–398 (1998). https://doi.org/10.1007/s100510050262

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  • DOI: https://doi.org/10.1007/s100510050262

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