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Three-dimensional mixing and light curves: constraints on the progenitor of supernova 1987A
Victor Utrobin, Annop Wongwathanarat, H. -Thomas Janka +3
With the same method as used previously, we investigate neutrino-driven explosions of a larger sample of blue supergiant models. The larger sample includes three new presupernova s…
Effects of LESA in Three-Dimensional Supernova Simulations with Multi-Dimensional and Ray-by-Ray-plus Neutrino Transport
Robert Glas, H. -Thomas Janka, Tobias Melson +2
A set of eight self-consistent, time-dependent supernova (SN) simulations in three spatial dimensions (3D) for 9 solar-mass and 20 solar-mass progenitors is evaluated for the prese…
Three-Dimensional Core-Collapse Supernova Simulations with Multi-Dimensional Neutrino Transport Compared to the Ray-by-Ray-plus Approximation
Robert Glas, Oliver Just, H. -Thomas Janka +1
Self-consistent, time-dependent supernova (SN) simulations in three spatial dimensions (3D) are conducted with the Aenus-Alcar code, comparing, for the first time, calculations wit…
Improved Leakage-Equilibration-Absorption Scheme (ILEAS) for Neutrino Physics in Compact Object Mergers
Ricard Ardevol-Pulpillo, H. -Thomas Janka, Oliver Just +1
We present a new, computationally efficient, energy-integrated approximation for neutrino effects in hot and dense astrophysical environments such as supernova cores and compact bi…
Parallelized Solution Method of the Three-dimensional Gravitational Potential on the Yin-Yang Grid
Marius Almanstoetter, Tobias Melson, H. -Thomas Janka +1
We present a new method for solving the three-dimensional gravitational potential of a density field on the Yin-Yang grid. Our algorithm is based on a multipole decomposition and c…
Identifying rotation in SASI-dominated core-collapse supernovae with a neutrino gyroscope
Laurie Walk, Irene Tamborra, Hans-Thomas Janka +1
Measuring the rotation of core-collapse supernovae (SN) and of their progenitor stars is extremely challenging. Here it is demonstrated that neutrinos may potentially be employed a…