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Physical Review Letters 98 (2007) 131102
Ising analogue to compact-star matter
P. Napolitani1, 2, P. Chomaz1, F. Gulminelli2, K.H.O. Hasnaoui1

By constructing an Ising analogue of compact-star matter at sub-saturation density we explored the effect of Coulomb frustration on the nuclear liquid-gas phase transition. Our conclusions is twofold. First, the range of temperatures where inhomogeneous phases form expands with increasing Coulomb-field strength. Second, within the approximation of uniform electron distribution, the limiting point upon which the phase-coexistence region ends does not exhibit any critical behaviour. Possible astrophysics consequences and thermodynamical connections are discussed.
1 :  GANIL - Grand Accélérateur National d'Ions Lourds
2 :  LPCC - Laboratoire de Physique Corpusculaire de Caen
Physique théorique
Physique/Physique Nucléaire Théorique
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