Silhouette and spectral line profiles in the special modification of the Kerr black hole geometry generated by quintessential fields
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F47813059%3A19240%2F16%3AN0000027" target="_blank" >RIV/47813059:19240/16:N0000027 - isvavai.cz</a>
Result on the web
<a href="https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-016-4511-0" target="_blank" >https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-016-4511-0</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1140/epjc/s10052-016-4511-0" target="_blank" >10.1140/epjc/s10052-016-4511-0</a>
Alternative languages
Result language
angličtina
Original language name
Silhouette and spectral line profiles in the special modification of the Kerr black hole geometry generated by quintessential fields
Original language description
We study optical effects in quintessential Kerr black hole spacetimes corresponding to the limiting case of the equation-of-state parameter $omega_q= - 1/3$ of the quintessence. In dependence on the dimensionless quintessential field parameter $c$, we determine the black hole silhouette and the spectral line profiles of Keplerian disks generated in this special quintessential Kerr geometry, representing an extension of the general modifications of the Kerr geometry introduced recently by Ghasemi-Nodehi and Bambi (Eur. Phys. J. C 56:#290, 2016). We demonstrate that due to the influence of the parameter $c$, the silhouette is almost homogeneously enlarged, and the spectral line profiles are redshifted with almost conserved shape.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BN - Astronomy and celestial mechanics, astrophysics
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GB14-37086G" target="_blank" >GB14-37086G: Albert Einstein Center for Gravitation and Astrophysics</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
European Physical Journal C
ISSN
1434-6044
e-ISSN
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Volume of the periodical
76
Issue of the periodical within the volume
11
Country of publishing house
US - UNITED STATES
Number of pages
8
Pages from-to
'643-1'-'643-8'
UT code for WoS article
000394382800003
EID of the result in the Scopus database
2-s2.0-84996477090