In a binary containing a neutron star and an exploding star, hypercritical accretion can push neutron stars past the density threshold for quark deconfinement, forming strange quark stars.
SNSPH: A Parallel 3-D Smoothed Particle Radiation Hydrodynamics Code
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We provide a description of the SNSPH code--a parallel 3-dimensional radiation hydrodynamics code implementing treecode gravity, smooth particle hydrodynamics, and flux-limited diffusion transport schemes. We provide descriptions of the physics and parallelization techniques for this code. We present performance results on a suite of code tests (both standard and new), showing the versatility of such a code, but focusing on what we believe are important aspects of modeling core-collapse supernovae.
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On the formation of strange quark stars from supernova in compact binaries
In a binary containing a neutron star and an exploding star, hypercritical accretion can push neutron stars past the density threshold for quark deconfinement, forming strange quark stars.