Circular geodesics in the field of double-charged dilatonic black holes
Boshkayev K. Suliyeva G. Ivashchuk V. Urazalina A.
January 2024Springer Nature
European Physical Journal C
2024#84Issue 1
A non-extreme dilatonic charged (by two “color electric” charges) black hole solution is examined within a four-dimensional gravity model that incorporates two scalar (dilaton) fields and two Abelian vector fields. The scalar and vector fields interact through exponential terms containing two dilatonic coupling vectors. The solution is characterized by a dimensionless parameter a(0
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Department of Theoretical and Nuclear Physics, Al-Farabi Kazakh National University, Al-Farabi Ave., 71, Almaty, 050040, Kazakhstan
National Nanotechnology Laboratory of Open Type, Al-Farabi Kazakh National University, Al-Farabi Ave., 71, Almaty, 050040, Kazakhstan
Fesenkov Astrophysical Institute, Observatory 23, Almaty, 050020, Kazakhstan
Center for Gravitation and Fundamental Metrology, VNIIMS, Ozyornaya St. 46, Moscow, 119361, Russian Federation
Institute of Gravitation and Cosmology, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, Moscow, 117198, Russian Federation
Department of Theoretical and Nuclear Physics
National Nanotechnology Laboratory of Open Type
Fesenkov Astrophysical Institute
Center for Gravitation and Fundamental Metrology
Institute of Gravitation and Cosmology
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