# Matter Mixing in Core-collapse Supernova Ejecta: Large Density Perturbations in the Progenitor Star?

@article{Mao2015MatterMI,
title={Matter Mixing in Core-collapse Supernova Ejecta: Large Density Perturbations in the Progenitor Star?},
author={Jirong Mao and Masaomi Ono and Shigehiro Nagataki and M. Hashimoto and H. Ito and Jin Matsumoto and Maria Giovanna Dainotti and S.-H. Lee},
journal={arXiv: High Energy Astrophysical Phenomena},
year={2015}
}
• J. Mao, +5 authors S. Lee
• Published 25 July 2015
• Physics
• arXiv: High Energy Astrophysical Phenomena
Matter mixing is one important topic in the study of core-collapse supernova (CCSN) explosions. In this paper, we perform two-dimensional hydrodynamic simulations to reproduce the high velocity $^{56}$Ni clumps observed in SN 1987A. This is the first time that large density perturbation is proposed in the CCSN progenitor to generate Rayleigh-Taylor (RT) instability and make the effective matter mixing. In the case of a spherical explosion, RT instability is efficient at both C+O/He and He/H… Expand
14 Citations

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