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Title: bhlight: General Relativistic Radiation Magnetohydrodynamics with Monte Carlo Transport

Abstract

We present bhlight, a numerical scheme for solving the equations of general relativistic radiation magnetohydrodynamics using a direct Monte Carlo solution of the frequency-dependent radiative transport equation. bhlight is designed to evolve black hole accretion flows at intermediate accretion rate, in the regime between the classical radiatively efficient disk and the radiatively inefficient accretion flow (RIAF), in which global radiative effects play a sub-dominant but non-negligible role in disk dynamics. We describe the governing equations, numerical method, idiosyncrasies of our implementation, and a suite of test and convergence results. We also describe example applications to radiative Bondi accretion and to a slowly accreting Kerr black hole in axisymmetry.

Authors:
 [1];  [2];  [3]
  1. Univ. of Illinois, Urbana, IL (United States). Dept. of Astronomy
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Illinois, Urbana, IL (United States). Dept. of Astronomy; Univ. of Illinois, Urbana, IL (United States). Dept. of Physics
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE; National Science Foundation (NSF); National Aeronautics and Space Administration (NASA)
OSTI Identifier:
1329564
Report Number(s):
LA-UR-15-20947
Journal ID: ISSN 1538-4357
Grant/Contract Number:  
AC52-06NA25396; AST 13-33612; NNX10AD03G; OCI-0725070; ACI-1238993
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Name: The Astrophysical Journal (Online); Journal Volume: 807; Journal Issue: 1; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; black hole physics; methods numerical; relativistic processes

Citation Formats

Ryan, Benjamin R, Dolence, Joshua C., and Gammie, Charles F. bhlight: General Relativistic Radiation Magnetohydrodynamics with Monte Carlo Transport. United States: N. p., 2015. Web. doi:10.1088/0004-637X/807/1/31.
Ryan, Benjamin R, Dolence, Joshua C., & Gammie, Charles F. bhlight: General Relativistic Radiation Magnetohydrodynamics with Monte Carlo Transport. United States. https://doi.org/10.1088/0004-637X/807/1/31
Ryan, Benjamin R, Dolence, Joshua C., and Gammie, Charles F. Thu . "bhlight: General Relativistic Radiation Magnetohydrodynamics with Monte Carlo Transport". United States. https://doi.org/10.1088/0004-637X/807/1/31. https://www.osti.gov/servlets/purl/1329564.
@article{osti_1329564,
title = {bhlight: General Relativistic Radiation Magnetohydrodynamics with Monte Carlo Transport},
author = {Ryan, Benjamin R and Dolence, Joshua C. and Gammie, Charles F.},
abstractNote = {We present bhlight, a numerical scheme for solving the equations of general relativistic radiation magnetohydrodynamics using a direct Monte Carlo solution of the frequency-dependent radiative transport equation. bhlight is designed to evolve black hole accretion flows at intermediate accretion rate, in the regime between the classical radiatively efficient disk and the radiatively inefficient accretion flow (RIAF), in which global radiative effects play a sub-dominant but non-negligible role in disk dynamics. We describe the governing equations, numerical method, idiosyncrasies of our implementation, and a suite of test and convergence results. We also describe example applications to radiative Bondi accretion and to a slowly accreting Kerr black hole in axisymmetry.},
doi = {10.1088/0004-637X/807/1/31},
journal = {The Astrophysical Journal (Online)},
number = 1,
volume = 807,
place = {United States},
year = {Thu Jun 25 00:00:00 EDT 2015},
month = {Thu Jun 25 00:00:00 EDT 2015}
}

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Cited by: 42 works
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