199 citations
- Sofia University "St. Kliment Ohridski"BG36 papers
- Bulgarian Academy of SciencesBG13 papers
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- University of Chemical Technology and MetallurgyBG5 papers
- University of TübingenDE4 papers
- Hellenic Naval AcademyGR3 papers
- Institute of Astronomy and National Astronomical ObservatoryBG3 papers
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3 papers · 2 filters
Quasi-normal modes, bifurcations and non-uniqueness of charged scalar-tensor black holes
Daniela D. Doneva, Stoytcho S. Yazadjiev, Kostas D. Kokkotas +1
In the present paper we study the scalar sector of the quasinormal modes of charged general relativistic, static and spherically symmetric black holes coupled to nonlinear electrod…
Connection between black-hole quasinormal modes and lensing in the strong deflection limit
Ivan Zh. Stefanov, Stoytcho S. Yazadjiev, Galin G. Gyulchev
The purpose of the current Letter is to give some relations between gravitational lensing in the strong-deflection limit and the frequencies of the quasinormal modes of spherically…
Charged anti-de Sitter scalar-tensor black holes and their thermodynamic phase structure
Daniela D. Doneva, Stoytcho S. Yazadjiev, Kostas D. Kokkotas +2
In the present paper we numerically construct new charged anti-de Sitter black holes coupled to nonlinear Born-Infeld electrodynamics within a certain class of scalar-tensor theori…