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Numerical code of the neutrino-transfer in three dimensions for core-collapse supernovae
Sumiyoshi, Kohsuke; Yamada, Shoichi
AA( Numazu College of Technology, Ooka 3600, Numazu, Shizuoka 410-8501, Japan ), AB( Science and Engineering & Advanced Research Institute for Science and Engineering, Waseda University, Okubo, 3-4-1, Shinjuku, Tokyo 169-8555, Japan )
Death of Massive Stars: Supernovae and Gamma-Ray Bursts, Proceedings of the International Astronomical Union, IAU Symposium, Volume 279, p. 395-396
Publication Date:
methods: numerical, neutrinos, radiative transfer, stars: massive, stars: neutron, supernovae: general,
Abstract Copyright:
(c) 2012: Copyright © International Astronomical Union 2012
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We develop a new numerical code of the multi-energy and multi-angle neutrino-radiation transfer in three dimensions (3D) for core-collapse supernovae. Our 3D code to solve the Boltzmann equations is based on the discretized-ordinate (S N ) method with a fully implicit differencing for time advance. A basic set of neutrino reactions is implemented in the collision terms together with a realistic equation of state. By following the time evolution of neutrino distributions in six dimensions (3 spatial and 3 momentum-space) by the 3D Boltzmann solver, we study the 3D feature of neutrino transfer for given background models of supernova cores in order to understand the explosion mechanism through neutrino heating in multi dimensions.

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