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Frequency Shift of Photons in the Spacetime of Deformed RN BH

Husan AlibekovDepartment of Physics, National University of Uzbekistan, Tashkent 100174, UzbekistanBakhtiyor NarzilloevInstitute of Engineering Physics, Samarkand State University, University Avenue 15, Samarkand 140104, UzbekistanAhmadjon AbdujabbarovDepartment of Physics, National University of Uzbekistan, Tashkent 100174, UzbekistanBobomurat AhmedovDepartment of Physics, National University of Uzbekistan, Tashkent 100174, Uzbekistan

Symmetryjournal2023en

ABI

Annotatsiya

The motion of photons and the frequency shift of photons emitted by particles orbiting the central black hole described by the deformed Reissner–Nordström spacetime metric is investigated. It has been shown that in spacetime, two stable photon spheres are formed due to the gravitational attraction of photons by the central gravitating compact object. It has been found that as spacetime parameters increase, charge and deformation photon spheres become smaller in size and the effect of the electric charge is stronger than the effect of the deformation parameter. The frequency shift of photons radiated by the particles at the equatorial plane becomes stronger for the smaller values of the deformation parameter and the electric charge of the deformed Reissner–Nordström black hole.

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Mavzular

Astrophysical Phenomena and Observations Pulsars and Gravitational Waves Research Astrophysics and Cosmic Phenomena

Identifikatorlar

DOI: 10.3390/sym15071414

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