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  Blandford-Znajek process in vacuo and its holographic dual

Jacobson, T., & Rodriguez, M. J. (2019). Blandford-Znajek process in vacuo and its holographic dual. Physical Review D, 99(12): 124013. doi:10.1103/PhysRevD.99.124013.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-632D-F Version Permalink: http://hdl.handle.net/21.11116/0000-0003-E8F6-2
Genre: Journal Article

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 Creators:
Jacobson, Ted, Author
Rodriguez, Maria J.1, Author              
Affiliations:
1Gravitation and Black Hole Theory, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_2477691              

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Free keywords: High Energy Physics - Theory, hep-th, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,General Relativity and Quantum Cosmology, gr-qc
 Abstract: Blandford and Znajek discovered a process by which a spinning black hole can transfer rotational energy to a plasma, offering a mechanism for energy and jet emissions from quasars. Here we describe a version of this mechanism that operates with only vacuum electromagnetic fields outside the black hole. The setting, which is not astrophysically realistic, involves either a cylindrical black hole or one that lives in 2+1 spacetime dimensions, and the field is given in simple, closed form for a wide class of metrics. For asymptotically Anti-de Sitter black holes in 2+1 dimensions the holographic dual of this mechanism is the transfer of angular momentum and energy, via a resistive coupling, from a rotating thermal state containing an electric field to an external charge density rotating more slowly than the thermal state. In particular, the entropy increase of the thermal state due to Joule heating matches the Bekenstein-Hawking entropy increase of the black hole.

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 Dates: 2017-09-282019
 Publication Status: Published in print
 Pages: 6 pages
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 Rev. Method: -
 Identifiers: arXiv: 1709.10090
URI: http://arxiv.org/abs/1709.10090
DOI: 10.1103/PhysRevD.99.124013
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 99 (12) Sequence Number: 124013 Start / End Page: - Identifier: -