A Detailed Comparison of Multidimensional Boltzmann Neutrino Transport Methods in Core-collapse Supernovae
Abstract
The mechanism driving core-collapse supernovae is sensitive to the interplay between matter and neutrino radiation. However, neutrino radiation transport is very difficult to simulate, and several radiation transport methods of varying levels of approximation are available. In this paper, we carefully compare for the first time in multiple spatial dimensions the discrete ordinates (DO) code of Nagakura, Yamada, and Sumiyoshi and the Monte Carlo (MC) code Sedonu, under the assumptions of a static fluid background, flat spacetime, elastic scattering, and full special relativity. We find remarkably good agreement in all spectral, angular, and fluid interaction quantities, lending confidence to both methods. The DO method excels in determining the heating and cooling rates in the optically thick region. The MC method predicts sharper angular features due to the effectively infinite angular resolution, but struggles to drive down noise in quantities where subtractive cancellation is prevalent, such as the net gain in the protoneutron star and off-diagonal components of the Eddington tensor. We also find that errors in the angular moments of the distribution functions induced by neglecting velocity dependence are subdominant to those from limited momentum-space resolution. We briefly compare directly computed second angular moments to those predicted by popular algebraicmore »
- Authors:
-
- California Inst. of Technology (CalTech), Pasadena, CA (United States). Theoretical AstroPhysics Including Relativity and Cosmology (TAPIR). Walter Burke Inst. for Theoretical Physics
- California Inst. of Technology (CalTech), Pasadena, CA (United States). Theoretical AstroPhysics Including Relativity and Cosmology (TAPIR). Walter Burke Inst. for Theoretical Physics; Kyoto Univ. (Japan). Center for Gravitational Physics and International Research Unit of Advanced Future Studies. Yukawa Inst. for Theoretical Physics
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Numazu College of Technology (Japan)
- Waseda Univ., Tokyo (Japan). Advanced Research Inst. for Science & Engineering. Dept. of Science and Engineering
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); California Institute of Technology (CalTech), Pasadena, CA (United States); Waseda Univ., Tokyo (Japan); Kyoto Univ. (Japan)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA); LANL Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF); State of Illinois (United States); Japan Society for the Promotion of Science (JSPS); Ministry of Education, Culture, Sports, Science, and Technology (MEXT) (Japan)
- OSTI Identifier:
- 1415403
- Report Number(s):
- LA-UR-17-24929
Journal ID: ISSN 1538-4357; TRN: US1800801
- Grant/Contract Number:
- AC52-06NA25396; OCI-0725070; ACI-1238993; TG-PHY100033; ACI-1440083; TCAN AST-1333520; CAREER PHY-1151197; PHY-1404569; 27-348; 15K05093; 16H03986; 26104006
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal (Online)
- Additional Journal Information:
- Journal Name: The Astrophysical Journal (Online); Journal Volume: 847; Journal Issue: 2; Journal ID: ISSN 1538-4357
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; neutrinos; radiative transfer; supernovae
Citation Formats
Richers, Sherwood, Nagakura, Hiroki, Ott, Christian D., Dolence, Joshua, Sumiyoshi, Kohsuke, and Yamada, Shoichi. A Detailed Comparison of Multidimensional Boltzmann Neutrino Transport Methods in Core-collapse Supernovae. United States: N. p., 2017.
Web. doi:10.3847/1538-4357/aa8bb2.
Richers, Sherwood, Nagakura, Hiroki, Ott, Christian D., Dolence, Joshua, Sumiyoshi, Kohsuke, & Yamada, Shoichi. A Detailed Comparison of Multidimensional Boltzmann Neutrino Transport Methods in Core-collapse Supernovae. United States. https://doi.org/10.3847/1538-4357/aa8bb2
Richers, Sherwood, Nagakura, Hiroki, Ott, Christian D., Dolence, Joshua, Sumiyoshi, Kohsuke, and Yamada, Shoichi. Tue .
"A Detailed Comparison of Multidimensional Boltzmann Neutrino Transport Methods in Core-collapse Supernovae". United States. https://doi.org/10.3847/1538-4357/aa8bb2. https://www.osti.gov/servlets/purl/1415403.
@article{osti_1415403,
title = {A Detailed Comparison of Multidimensional Boltzmann Neutrino Transport Methods in Core-collapse Supernovae},
author = {Richers, Sherwood and Nagakura, Hiroki and Ott, Christian D. and Dolence, Joshua and Sumiyoshi, Kohsuke and Yamada, Shoichi},
abstractNote = {The mechanism driving core-collapse supernovae is sensitive to the interplay between matter and neutrino radiation. However, neutrino radiation transport is very difficult to simulate, and several radiation transport methods of varying levels of approximation are available. In this paper, we carefully compare for the first time in multiple spatial dimensions the discrete ordinates (DO) code of Nagakura, Yamada, and Sumiyoshi and the Monte Carlo (MC) code Sedonu, under the assumptions of a static fluid background, flat spacetime, elastic scattering, and full special relativity. We find remarkably good agreement in all spectral, angular, and fluid interaction quantities, lending confidence to both methods. The DO method excels in determining the heating and cooling rates in the optically thick region. The MC method predicts sharper angular features due to the effectively infinite angular resolution, but struggles to drive down noise in quantities where subtractive cancellation is prevalent, such as the net gain in the protoneutron star and off-diagonal components of the Eddington tensor. We also find that errors in the angular moments of the distribution functions induced by neglecting velocity dependence are subdominant to those from limited momentum-space resolution. We briefly compare directly computed second angular moments to those predicted by popular algebraic two-moment closures, and we find that the errors from the approximate closures are comparable to the difference between the DO and MC methods. Finally, included in this work is an improved Sedonu code, which now implements a fully special relativistic, time-independent version of the grid-agnostic MC random walk approximation.},
doi = {10.3847/1538-4357/aa8bb2},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 847,
place = {United States},
year = {2017},
month = {10}
}
Web of Science
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Interplay of Neutrino Opacities in Core-collapse Supernova Simulations
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Radiation Magnetohydrodynamics for Black Hole-Torus System in Full General Relativity: A Step toward Physical Simulation
text, January 2012
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SASI Activity in Three-Dimensional Neutrino-Hydrodynamics Simulations of Supernova Cores
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Comprehensive nucleosynthesis analysis for ejecta of compact binary mergers
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The criterion of supernova explosion revisited: the mass accretion history
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Non-Radial Instabilities and Progenitor Asphericities in Core-Collapse Supernovae
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An Open-Source Neutrino Radiation Hydrodynamics Code for Core-Collapse Supernovae
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A new multidimensional, energy-dependent two-moment transport code for neutrino-hydrodynamics
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Neutrino-driven explosion of a 20 solar-mass star in three dimensions enabled by strange-quark contributions to neutrino-nucleon scattering
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Three-dimensional core-collapse supernova simulated using a 15 $M_\odot$ progenitor
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Monte Carlo Neutrino Transport Through Remnant Disks from Neutron Star Mergers
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General Relativistic Three-Dimensional Multi-Group Neutrino Radiation-Hydrodynamics Simulations of Core-Collapse Supernovae
text, January 2016
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Three-dimensional Boltzmann-Hydro code for core-collapse in massive stars II. The Implementation of moving-mesh for neutron star kicks
text, January 2016
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Impact of an improved neutrino energy estimate on outflows in neutron star merger simulations
text, January 2016
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Conditions for Shock Revival by Neutrino Heating in Core-Collapse Supernovae
text, January 2000
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Conservative General Relativistic Radiation Hydrodynamics in Spherical Symmetry and Comoving Coordinates
text, January 2000
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Radiation hydrodynamics with neutrinos: Variable Eddington factor method for core-collapse supernova simulations
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Beyond Flux-Limited Diffusion: Parallel Algorithms for Multidimensional Radiation Hydrodynamics
text, January 2002
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Monte Carlo Study of Supernova Neutrino Spectra Formation
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High Resolution Calculations of Merging Neutron Stars II: Neutrino Emission
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Postbounce evolution of core-collapse supernovae: Long-term effects of equation of state
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Two-dimensional hydrodynamic core-collapse supernova simulations with spectral neutrino transport. I. Numerical method and results for a 15 M_sun star
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A Numerical Algorithm for Modeling Multigroup Neutrino-Radiation Hydrodynamics in Two Spatial Dimensions
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