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A Comparison of Boltzmann and Multigroup Flux‐limited Diffusion Neutrino Transport during the Postbounce Shock Reheating Phase in Core‐Collapse Supernovae
We compare Newtonian three-flavor multigroup Boltzmann (MGBT) and (Bruenn's) multigroup flux-limited diffusion (MGFLD) neutrino transport in postbounce core-collapse supernova environments. We focus our study on quantities central to the postbounce neutrino heating mechanism for reviving the stalled shock. Stationary-state three-flavor neutrino distributions are developed in thermally and hydrodynamically frozen time …