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Chemical and mechanical spinodals a unique liquid-gas instability

Abstract : We demonstrate that the instabilities of asymmetric nuclear matter at sub-saturation densities do not present two types of instabilities as usually discussed but a unique one. The associated order parameter is everywhere dominated by the isoscalar density and so the transition is of liquid-gas type even in the so-called chemical instability region.
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Contributor : Dominique Girod <>
Submitted on : Wednesday, July 12, 2006 - 12:37:44 PM
Last modification on : Wednesday, September 16, 2020 - 4:08:31 PM

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P. Chomaz, J. Margueron. Chemical and mechanical spinodals a unique liquid-gas instability. International Symposium on Physics of Unstable Nuclei (ISPUN 02), Nov 2002, Halong Bay, Vietnam. pp.C315-C320, ⟨10.1016/S0375-9474(03)01383-6⟩. ⟨in2p3-00085304⟩



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