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Direct numerical simulations of the Blandford-Znajek effect
Open accessAbstract
The time-dependent general relativistic equations of degenerate electrodynamics are solved numerically in order to study the mechanism of the electromagnetic extraction of the rotational energy of black holes. We performed a series of 2D runs for black holes with specific angular momentum, a, from 0.1 to 0.9 and for a monopole magnetic field assuming axisymmetry. In the inner region of the wind, the solution quickly settles to a steady state with an outgoing Poynting flux. In all cases the angular velocity of the magnetic field lines is almost half the angular velocity of the black hole. Thus, at least for the configuration considered, the Blandford–Znajek mechanism operates near its maximum power output.
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Citations
Cites
Electromagnetic extraction of energy from Kerr black holes
Blandford, R. D., & Znajek, R. L. (1977) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/179.3.433 · Cited by 5,116
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Yuan, F., & Narayan, R. (2014) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-082812-141003 · Cited by 1,529
The physics of gamma-ray bursts & relativistic jets
Kumar, P., & Zhang, B. (2015) · Physics Reports · doi:10.1016/j.physrep.2014.09.008 · Cited by 952
A Measurement of the Electromagnetic Luminosity of a Kerr Black Hole
McKinney, J. C., & Gammie, C. F. (2004) · The Astrophysical Journal · doi:10.1086/422244 · Cited by 591
BLACK HOLE SPIN AND THE RADIO LOUD/QUIET DICHOTOMY OF ACTIVE GALACTIC NUCLEI
Tchekhovskoy, A., Narayan, R., & McKinney, J. C. (2010) · The Astrophysical Journal · doi:10.1088/0004-637x/711/1/50 · Cited by 542
Zanna, L. D., Zanotti, O., Bucciantini, N., & Londrillo, P. (2007) · Springer Link (Chiba Institute of Technology) · doi:10.1051/0004-6361:20077093/pdf · Cited by 265
Metadata
- Authors
- Komissarov, S. S.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 2001-09-21
- Volume
- 326
- Issue
- 3
- Pages
- L41-L44
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2137746285
- Cited by
- 170
- References
- 1
- FWCI
- 3.46
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Komissarov, S. S. (2001). Direct numerical simulations of the Blandford-Znajek effect. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1046/j.1365-8711.2001.04863.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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