Magneto-rotational supernovae: how to model the central engines of gamma-ray bursts
by
FC61
AlbaNova Main Building
Long gamma-ray bursts (GRBs) are considered to be associated, in general, with the gravitational collapse of massive stars having fast-rotating cores and intense large-scale magnetic fields. The so-called magneto-rotational mechanism allows the onset of extremely powerful core-collapse supernovae that can account for the extraordinarily energetic ejecta required to produce a GRB.
In this seminar I will present recent developments in the numerical modeling of such extreme explosive events, showing their predictions in terms of explosion dynamics, multi-messenger emission, and explosive nucleosynthetic yields. In particular, I will highlight the role played by different magnetic field topology, rotation rates, and equations of state in shaping the multi-faceted properties of magneto-rotational core-collapse supernovae, along with the challenges we currently face in describing the associated jet through and beyond the progenitor star.
Andrii and Helena