https://doi.org/10.1140/epjc/s10052-021-09849-4
Regular Article - Theoretical Physics
Gravitational and electromagnetic radiation from binary black holes with electric and magnetic charges: elliptical orbits on a cone
1
CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, 100190, Beijing, China
2
School of Physical Sciences, University of Chinese Academy of Sciences, No. 19A Yuquan Road, 100049, Beijing, China
3
Institute of Theoretical Astrophysics, University of Oslo, Sem Sælands vei 13, 0371, Oslo, Norway
4
School of Fundamental Physics and Mathematical Sciences, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 310024, Hangzhou, China
5
Department of Physics, Kunsan National University, 54150, Kunsan, Korea
Received:
15
July
2021
Accepted:
17
November
2021
Published online:
30
November
2021
Extending the electromagnetic and gravitational radiations from binary black holes with electric and magnetic charges in circular orbits in Liu et al. (Phys. Rev. D 102:103520, 2020), we calculate the total emission rates of energy and angular momentum due to gravitational and electromagnetic radiations from dyonic binary black holes in precessing elliptical orbits. It is shown that the emission rates of energy and angular momentum due to gravitational and electromagnetic radiations have the same dependence on the conic angle for different orbits. Moreover, we obtain the evolutions of orbits and find that a circular orbit remains circular while an elliptic orbit becomes quasi-circular due to electromagnetic and gravitational radiations. Using the evolution of orbits, we derive the waveform models for dyonic binary black hole inspirals and show the amplitudes of the gravitational waves for dyonic binary black hole inspirals differ from those for Schwarzschild binary black hole inspirals, which can be used to test electric and magnetic charges of black holes.
© The Author(s) 2021
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