NAOC Open IR
Magnetized Particle Motion around Black Holes in Conformal Gravity: Can Magnetic Interaction Mimic Spin of Black Holes?
Haydarov, Kamoliddin1; Abdujabbarov, Ahmadjon1,2,3,4,5; Rayimbaev, Javlon3,5,6; Ahmedov, Bobomurat3,4,5
2020-03-01
Source PublicationUNIVERSE
Volume6Issue:3Pages:20
AbstractMagnetized particle motion around black holes in conformal gravity immersed in asymptotically uniform magnetic field has been studied. We have also analyzed the behavior of magnetic fields near the horizon of the black hole in conformal gravity and shown that with the increase of conformal parameters L and N the value of angular component of magnetic field at the stellar surface decreases. The maximum value of the effective potential corresponding to circular motion of the magnetized particle increases with the increase of conformal parameters. It is shown that in all cases of neutral, charged and magnetized particle collisions in the black hole environment the center-of-mass energy decreases with the increase of conformal parameters L and N. In the case of the magnetized and negatively charged particle collisions, the innermost collision point with the maximum center-of-mass energy comes closer to the central object due to the effects of the parameters of the conformal gravity. We have applied the results to the real astrophysical scenario when a pulsar treated as a magnetized particle is orbiting the super massive black hole (SMBH) Sgr A* in the center of our galaxy in order to obtain the estimation of magnetized compact object's orbital parameter. The possible detection of pulsar in Sgr A* close environment can provide constraints on black hole parameters. Here we have shown that there is degeneracy between spin of SMBH and ambient magnetic field and consequently the interaction of magnetic field similar to 10(2) Gauss with magnetic moment of magnetized neutron star can in principle mimic spin of Kerr black holes up to 0.6.
Keywordblack hole magnetized particle motion magnetic field conformal gravity constraints on black hole parameters
Funding OrganizationUzbekistanMinistry for Innovative Development ; UzbekistanMinistry for Innovative Development ; Abdus Salam International Centre for Theoretical Physics ; Abdus Salam International Centre for Theoretical Physics ; SU ; SU ; NUUz ; NUUz ; UzbekistanMinistry for Innovative Development ; UzbekistanMinistry for Innovative Development ; Abdus Salam International Centre for Theoretical Physics ; Abdus Salam International Centre for Theoretical Physics ; SU ; SU ; NUUz ; NUUz ; UzbekistanMinistry for Innovative Development ; UzbekistanMinistry for Innovative Development ; Abdus Salam International Centre for Theoretical Physics ; Abdus Salam International Centre for Theoretical Physics ; SU ; SU ; NUUz ; NUUz ; UzbekistanMinistry for Innovative Development ; UzbekistanMinistry for Innovative Development ; Abdus Salam International Centre for Theoretical Physics ; Abdus Salam International Centre for Theoretical Physics ; SU ; SU ; NUUz ; NUUz
DOI10.3390/universe6030044
WOS KeywordENERGY-EXTRACTION PROCESSES ; ORBITS ; FIELD
Language英语
Funding ProjectUzbekistanMinistry for Innovative Development[VA-FA-F-2-008] ; UzbekistanMinistry for Innovative Development[MRB-AN-2019-29] ; UzbekistanMinistry for Innovative Development[YFA-Ftech-2018-8] ; Abdus Salam International Centre for Theoretical Physics[OEA-NT-01] ; SU ; NUUz
Funding OrganizationUzbekistanMinistry for Innovative Development ; UzbekistanMinistry for Innovative Development ; Abdus Salam International Centre for Theoretical Physics ; Abdus Salam International Centre for Theoretical Physics ; SU ; SU ; NUUz ; NUUz ; UzbekistanMinistry for Innovative Development ; UzbekistanMinistry for Innovative Development ; Abdus Salam International Centre for Theoretical Physics ; Abdus Salam International Centre for Theoretical Physics ; SU ; SU ; NUUz ; NUUz ; UzbekistanMinistry for Innovative Development ; UzbekistanMinistry for Innovative Development ; Abdus Salam International Centre for Theoretical Physics ; Abdus Salam International Centre for Theoretical Physics ; SU ; SU ; NUUz ; NUUz ; UzbekistanMinistry for Innovative Development ; UzbekistanMinistry for Innovative Development ; Abdus Salam International Centre for Theoretical Physics ; Abdus Salam International Centre for Theoretical Physics ; SU ; SU ; NUUz ; NUUz
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000524323700008
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/56089
Collection中国科学院国家天文台
Corresponding AuthorAhmedov, Bobomurat
Affiliation1.Tashkent Univ Informat Technol, Dept Phys, Amir Temur 108, Tashkent 100014, Uzbekistan
2.Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China
3.Ulugh Beg Astron Inst, Astron Skaya 33, Tashkent 100052, Uzbekistan
4.Tashkent Inst Irrigat & Agr Mechanizat Engineers, Dept Phys & Chem, Kori Niyoziy 39, Tashkent 100000, Uzbekistan
5.Natl Univ Uzbekistan, Phys Fac, Univ 4, Tashkent 100174, Uzbekistan
6.Inst Nucl Phys, Lab Theoret Nucl Phys, Ulugbek 1, Tashkent 100214, Uzbekistan
Recommended Citation
GB/T 7714
Haydarov, Kamoliddin,Abdujabbarov, Ahmadjon,Rayimbaev, Javlon,et al. Magnetized Particle Motion around Black Holes in Conformal Gravity: Can Magnetic Interaction Mimic Spin of Black Holes?[J]. UNIVERSE,2020,6(3):20.
APA Haydarov, Kamoliddin,Abdujabbarov, Ahmadjon,Rayimbaev, Javlon,&Ahmedov, Bobomurat.(2020).Magnetized Particle Motion around Black Holes in Conformal Gravity: Can Magnetic Interaction Mimic Spin of Black Holes?.UNIVERSE,6(3),20.
MLA Haydarov, Kamoliddin,et al."Magnetized Particle Motion around Black Holes in Conformal Gravity: Can Magnetic Interaction Mimic Spin of Black Holes?".UNIVERSE 6.3(2020):20.
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