Nuclear Pasta Matter for Different Proton Fractions

Abstract

Nuclear matter under astrophysical conditions is explored with time-dependent and static Hartree-Fock calculations. The focus is in a regime of densities where matter segregates into liquid and gaseous phases unfolding a rich scenario of geometries, often called nuclear pasta shapes (e.g. spaghetti, lasagna). Particularly the appearance of the different phases depending on the proton fraction and the transition to uniform matter are investigated. In this context the neutron background density is of special interest, because it plays a crucial role for the type of pasta shape which is built. The study is performed in two dynamical ranges, one for hot matter and one at temperature zero to investigate the effect of cooling.

arXiv comment7 pages, 5 figures

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• Quantum Nuclear Pasta and Nuclear Symmetry Energy
• Time-dependent density functional theory with twist-averaged boundary conditions
• Structure and composition of inner crust of neutron stars from Gogny interactions
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• Estimating the relevance of predictions from nuclear mean-field models
• A Survey of Nuclear Pasta in the Intermediate Density Regime: Structure Functions for Neutrino Scattering
• Nuclear Quantum Many-Body Dynamics: From Collective Vibrations to Heavy-Ion Collisions (2nd edition)
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