νbhlight: Radiation GRMHD for Neutrino-driven Accretion Flows
Abstract
The 2017 detection of the in-spiral and merger of two neutron stars was a landmark discovery in astrophysics. We now know that such mergers are central engines of short gamma-ray bursts and sites of r-process nucleosynthesis, where the heaviest elements in our universe are formed. In the coming years, we expect many more such mergers. Modeling such systems presents a significant computational challenge along with the observational one. To meet this challenge, we present $$\nu {\mathtt{bhlight}}$$, a scheme for solving general relativistic magnetohydrodynamics with energy-dependent neutrino transport in full (3 + 1) dimensions, facilitated by Monte Carlo methods. We present a suite of tests demonstrating the accuracy, efficacy, and necessity of our scheme. Here, we demonstrate the potential of our scheme by running a sample calculation in a domain of interest—the dynamics and composition of the accretion disk formed by a binary neutron star merger.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1511260
- Report Number(s):
- LA-UR-19-20336
Journal ID: ISSN 1538-4365
- Grant/Contract Number:
- 89233218CNA000001
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- The Astrophysical Journal. Supplement Series (Online)
- Additional Journal Information:
- Journal Volume: 241; Journal Issue: 2; Journal ID: ISSN 1538-4365
- Publisher:
- American Astronomical Society/IOP
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; accretion; accretion disks; black hole physics; magnetohydrodynamics(MHD); methods: numerical; neutrinos; radiative transfer
Citation Formats
Miller, Jonah Maxwell, Ryan, Ben. Ransom, and Dolence, Joshua C. νbhlight: Radiation GRMHD for Neutrino-driven Accretion Flows. United States: N. p., 2019.
Web. doi:10.3847/1538-4365/ab09fc.
Miller, Jonah Maxwell, Ryan, Ben. Ransom, & Dolence, Joshua C. νbhlight: Radiation GRMHD for Neutrino-driven Accretion Flows. United States. https://doi.org/10.3847/1538-4365/ab09fc
Miller, Jonah Maxwell, Ryan, Ben. Ransom, and Dolence, Joshua C. 2019.
"νbhlight: Radiation GRMHD for Neutrino-driven Accretion Flows". United States. https://doi.org/10.3847/1538-4365/ab09fc. https://www.osti.gov/servlets/purl/1511260.
@article{osti_1511260,
title = {νbhlight: Radiation GRMHD for Neutrino-driven Accretion Flows},
author = {Miller, Jonah Maxwell and Ryan, Ben. Ransom and Dolence, Joshua C.},
abstractNote = {The 2017 detection of the in-spiral and merger of two neutron stars was a landmark discovery in astrophysics. We now know that such mergers are central engines of short gamma-ray bursts and sites of r-process nucleosynthesis, where the heaviest elements in our universe are formed. In the coming years, we expect many more such mergers. Modeling such systems presents a significant computational challenge along with the observational one. To meet this challenge, we present $\nu {\mathtt{bhlight}}$, a scheme for solving general relativistic magnetohydrodynamics with energy-dependent neutrino transport in full (3 + 1) dimensions, facilitated by Monte Carlo methods. We present a suite of tests demonstrating the accuracy, efficacy, and necessity of our scheme. Here, we demonstrate the potential of our scheme by running a sample calculation in a domain of interest—the dynamics and composition of the accretion disk formed by a binary neutron star merger.},
doi = {10.3847/1538-4365/ab09fc},
url = {https://www.osti.gov/biblio/1511260},
journal = {The Astrophysical Journal. Supplement Series (Online)},
issn = {1538-4365},
number = 2,
volume = 241,
place = {United States},
year = {Fri Apr 05 00:00:00 EDT 2019},
month = {Fri Apr 05 00:00:00 EDT 2019}
}
Web of Science
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Works referencing / citing this record:
Full Transport Model of GW170817-Like Disk Produces a Blue Kilonova
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- arXiv