Comparison of Hyperonic Equations of State for Core Collapse Supernovae Simulations

Prasanta Char1*and Sarmistha Banik2
1Astroparticle Physics & Cosmology Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata-700064, India
2BITS Pilani, Hyderabad Campus, Hyderabad-500078, India

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Abstract

In this work, we study the dynamical collapse of a non rotating massive star to a black hole using relativistic supernova equations of state (EoS) incorporating ∧ hyperons which would be populated, due to Pauli exclusion principle, in the dense matter region after the core collapse. We use 1D GR hydrodynamic code GR1D for our numerical simulations and compare the properties of the currently available hyperonic equations of state.

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Keywords : equation of state – stars: neutron, supernovae: general