Force-free magnetosphere attractors for near-horizon extreme and near-extreme limits of Kerr black hole
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F21%3A00554705" target="_blank" >RIV/68378271:_____/21:00554705 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1088/1361-6382/abdf70" target="_blank" >https://doi.org/10.1088/1361-6382/abdf70</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1361-6382/abdf70" target="_blank" >10.1088/1361-6382/abdf70</a>
Alternative languages
Result language
angličtina
Original language name
Force-free magnetosphere attractors for near-horizon extreme and near-extreme limits of Kerr black hole
Original language description
We propose a new approach to find magnetically-dominated force-free (FF) magnetospheres around highly spinning black holes, relevant for models of astrophysical jets. Employing the near-horizon extreme Kerr (NHEK) limit of the Kerr black hole, any stationary, axisymmetric and regular FF magnetosphere reduces to the same attractor solution in the NHEK limit with null electromagnetic field strength. We use this attractor solution as the universal starting point for perturbing away from the NHEK region in the extreme Kerr spacetime. We demonstrate that by going to second order in perturbation theory, it is possible to find magnetically dominated magnetospheres around the extreme Kerr black hole. Furthermore, we consider the near-horizon near-extreme Kerr (near-NHEK) limit that provides access to a different regime of highly spinning black holes. Also in this case we find a novel FF attractor, which can be used as the universal starting point for a perturbative construction of FF magnetospheres.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10303 - Particles and field physics
Result continuities
Project
<a href="/en/project/EF15_003%2F0000437" target="_blank" >EF15_003/0000437: Cosmology, Gravity and the Dark Sector of the Universe</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Classical and Quantum Gravity
ISSN
0264-9381
e-ISSN
1361-6382
Volume of the periodical
38
Issue of the periodical within the volume
7
Country of publishing house
GB - UNITED KINGDOM
Number of pages
11
Pages from-to
075022
UT code for WoS article
000629542400001
EID of the result in the Scopus database
2-s2.0-85103769405