Non-Uniform Structure of Matter and the Equation of State

Details Non-Uniform Structure of Matter and the Equation of State Non-Uniform Structure of Matter and the Equation of State

2007-11-22

arxiv.org/abs/0711.3504v1

Int.J.Mod.Phys.E17:1774-1789,2008

Physics

Nuclear Physics

Nuclear Theory

Invited talk at "Nuclear Dynamics in Heavy-ion Reactions and Neutron Stars", Beijing, July 10-14, 2007

Scientific paper

10.1142/S0218301308010775

We investigate the non-uniform structures and the equation of state (EOS) of nuclear matter in the context of the first-order phase transitions (FOPT) such as liquid-gas phase transition, kaon condensation, and hadron-quark phase transition. During FOPT the mixed phases appear, where matter exhibits non-uniform structures called ``Pasta'' structures due to the balance of the Coulomb repulsion and the surface tension between two phases. We treat these effects self-consistently, properly taking into account of the Poisson equation and the Gibbs conditions. Consequently, they make the EOS of the mixed phase closer to that of Maxwell construction due to the Debye screening. This is a general feature of the mixed phase consisting of many species of charged particles.

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