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A unique spinodal region in asymmetric nuclear matter

Jérôme Margueron and Philippe Chomaz
Phys. Rev. C 67, 041602(R) – Published 18 April 2003
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Abstract

Asymmetric nuclear matter at subsaturation densities is shown to present only one type of instability. The associated order parameter is dominated by the isoscalar density and so the transition is of liquid-gas type. The instability goes in the direction of a restoration of the isospin symmetry leading to a fractionation phenomenon. These conclusions are model independent since they can be related to the general form of the asymmetry energy. They are illustrated using density functional approaches.

  • Received 8 November 2002

DOI:https://doi.org/10.1103/PhysRevC.67.041602

©2003 American Physical Society

Authors & Affiliations

Jérôme Margueron

  • GANIL CEA/DSM, CNRS/IN2P3, Boîte Postale 5027, F-14076 Caen Cedex 5, France
  • Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56100 Pisa, Italy

Philippe Chomaz

  • GANIL CEA/DSM, CNRS/IN2P3, Boîte Postale 5027, F-14076 Caen Cedex 5, France

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Issue

Vol. 67, Iss. 4 — April 2003

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