BHAC-QGP: three-dimensional MHD simulations of relativistic heavy-ion collisions, I. Methods and tests
arxiv(2024)
摘要
We present BHAC-QGP, a new numerical code to simulate the evolution of matter
created in heavy-ion collisions in the presence of electromagnetic fields. It
is derived from the Black Hole Accretion Code (BHAC), which has been designed
to model astrophysical processes in a general-relativistic
magnetohydrodynamical description. As the original Black Hole Accretion Code,
BHAC-QGP benefits from the use of Adaptive Mesh Refinement (AMR), which allows
us to dynamically adjust the resolution where necessary, and makes use of
time-dependent Milne coordinates and the ultrarelativistic equation of state,
P = e/3. We demonstrate that BHAC-QGP accurately passes a number of
systematic and rigorous tests.
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