RAYIMBAEV, Javlon, Dilshodbek BARDIEV, Temurbek MIRZAEV, Ahmadjon ABDUJABBAROV and Akram KHALMIRZAEV. Shadow and massless particles around regular Bardeen black holes in 4D Einstein Gauss-Bonnet gravity. International Journal of Modern Physics D. 2022, vol. 31, No 07, p. "2250055-1"-"2250055-17", 17 pp. ISSN 0218-2718. Available from: https://dx.doi.org/10.1142/S0218271822500559.
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Basic information
Original name Shadow and massless particles around regular Bardeen black holes in 4D Einstein Gauss-Bonnet gravity
Authors RAYIMBAEV, Javlon, Dilshodbek BARDIEV (860 Uzbekistan, belonging to the institution), Temurbek MIRZAEV, Ahmadjon ABDUJABBAROV and Akram KHALMIRZAEV.
Edition International Journal of Modern Physics D, 2022, 0218-2718.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10308 Astronomy
Country of publisher Singapore
Confidentiality degree is not subject to a state or trade secret
WWW URL
RIV identification code RIV/47813059:19630/22:A0000229
Organization unit Institute of physics in Opava
Doi http://dx.doi.org/10.1142/S0218271822500559
UT WoS 000807421800003
Keywords in English Black holes; magnetic fields; magnetized particles; relativistic stars; orbits
Tags FÚ, RIV23, SGS-12-2019
Tags International impact, Reviewed
Changed by Changed by: Mgr. Pavlína Jalůvková, učo 25213. Changed: 1/2/2023 13:18.
Abstract
In this paper, we study dynamics of massless (photon and neutrino-like) particles in the spacetime of regular Bardeen black hole (BH) in novel four-dimensional Einstein-Gauss-Bonnet (4D EGB) theory. First, we have analyzed the hor properties of the spacetime of the Bardeen BH with respect to the Gauss-Bonnet (GB) coupling parameter alpha. Our detailed analysis has shown that the GB coupling parameter is limited by maximum and minimum values at, alpha is an element of (-0.15 divided by 1) and the extreme value of magnetic charge of the BH depends on the parameter alpha. We have explored motion of neutrino-like particles and photons around the Bardeen BH. We have also explored the possibility of mimicking cases of the spin of Kerr BH and charge of Reissner-Nordstrom BH by the Bardeen charge, providing the same values of impact parameter for photons corresponding to the BH shadow size. Finally, we have investigated spherically infalling accretion and shadow of the Bardeen BHs in 4D EGB theory.
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