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Cluster formation in compact stars: Relativistic versus Skyrme nuclear models

Authors: C. Ducoin, C. ProvidĂȘncia, A. M. Santos, L. Brito, and Ph. Chomaz

Ref.: Phys. Rev. C 78, 055801-1-055801-19 (2008)

Abstract: We present various properties of nuclear and compact-star matter, comparing the predictions from two kinds of phenomenological approaches: relativistic models (with both constant and density-dependent couplings) and nonrelativistic Skyrme-type interactions. We mainly focus on the liquid-gas instabilities that occur at subsaturation densities, leading to the decomposition of the homogeneous matter into a clusterized phase. Such study is related to the description of neutron-star crust (at zero temperature) and supernova dynamics (at finite temperature).

DOI: 10.1103/PhysRevC.78.055801