The DOI matches its Crossref record; 84 of the 84 references it cites were found in a registry or an index.
GRMHD simulations of magnetized advection-dominated accretion on a non-spinning black hole: role of outflows
Open accessAbstract
We present results from two long-duration general relativistic magneto-hydrodynamic (GRMHD) simulations of advection-dominated accretion around a non-spinning black hole. The first simulation was designed to avoid significant accumulation of magnetic flux around the black hole. This simulation was run for a time of 200 000 GM/c3 and achieved inflow equilibrium out to a radius ∼90 GM/c2. Even at this relatively large radius, the mass outflow rate is found to be only 60 per cent of the net mass inflow rate into the black hole. The second simulation was designed to achieve substantial magnetic flux accumulation around the black hole in a magnetically arrested disc. This simulation was run for a shorter time of 100 000 GM/c3. Nevertheless, because the mean radial velocity was several times larger than in the first simulation, it reached inflow equilibrium out to a radius ∼170 GM/c2. Here, becomes equal to . Since the mass outflow rates in the two simulations do not show robust convergence with time, it is likely that the true outflow rates are lower than our estimates. The effect of black hole spin on mass outflow remains to be explored. Neither simulation shows strong evidence for convection, though a complete analysis including the effect of magnetic fields is left for the future.
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Cites
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First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
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Self-citationHot Accretion Flows Around Black Holes
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Self-citationFirst M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring
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Self-citationFoundations of Black Hole Accretion Disk Theory
Abramowicz, M. A., & Fragile, P. C. (2013) · Living Reviews in Relativity · doi:10.12942/lrr-2013-1 · Cited by 668
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Metadata
- Authors
- Narayan, R., Sądowski, A., Penna, R. F., & Kulkarni, A. K.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 2012-10-17
- Volume
- 426
- Issue
- 4
- Pages
- 3241-3259
- ISSN
- 0035-8711 (ISSN-L)
- OpenAlex
- W1912595871
- Cited by
- 503
- References
- 84
- FWCI
- 12.40
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Narayan, R., Sądowski, A., Penna, R. F., & Kulkarni, A. K. (2012). GRMHD simulations of magnetized advection-dominated accretion on a non-spinning black hole: role of outflows. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1111/j.1365-2966.2012.22002.x
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