Geometric properties versus particle motion in the Fan-Wang spacetime
Suliyeva G. Boshkayev K. Konysbayev T. Kurmanov Y. Luongo O. Muccino M. Quevedo H. Urazalina A. Dalelkhankyzy A.
August 2025Elsevier B.V.
Chinese Journal of Physics
2025#961065 - 1082 pp.
In this work, we explore general relativistic effects and geometric properties of the Fan-Wang spacetime, one of the simplest regular solutions that can be obtained in nonlinear electrodynamics. In particular, we investigate the motion of test particles, the capture cross-section of neutral massive and massless particles, such as neutrinos and photons, and the gravitational redshift. Additionally, using a perturbative approach, we derive analytical expressions for the perihelion shift and gravitational deflection of massless particles. By identifying the one-parameter corrections to the Schwarzschild spacetime induced by the magnetic charge, we show that Fan-Wang metric predicts modifications to classical general relativity even at the local level. Moreover, we argue that these modifications could be experimentally tested with advanced observational instrumentation.
Deflection of light , Gravitational capture cross-section , Gravitational red-shift , Non-linear electrodynamics , Perihelion advance
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Al-Farabi Kazakh National University, Al-Farabi av. 71, Almaty, 050040, Kazakhstan
Fesenkov Astrophysical Institute, Observatory 23, Almaty, 050020, Kazakhstan
Institute of Nuclear Physics, Ibragimova, 1, Almaty, 050032, Kazakhstan
Università di Camerino, Divisione di Fisica, Via Madonna delle carceri 9, Camerino, 62032, Italy
Department of Nanoscale Science and Engineering, University at Albany-SUNY, Albany, New York, 12222, United States
INAF - Osservatorio Astronomico di Brera, Milano, Italy
Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Perugia, Perugia, 06123, Italy
ICRANet, Piazza della Repubblica 10, Pescara, 65122, Italy
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Mexico
Dipartimento di Fisica and Icra, Università di Roma “La Sapienza”, Roma, Italy
Kazakh National Womens Teacher Training University, Ayteke Bi, 99, Almaty, 050000, Kazakhstan
Al-Farabi Kazakh National University
Fesenkov Astrophysical Institute
Institute of Nuclear Physics
Università di Camerino
Department of Nanoscale Science and Engineering
INAF - Osservatorio Astronomico di Brera
Istituto Nazionale di Fisica Nucleare (INFN)
ICRANet
Instituto de Ciencias Nucleares
Dipartimento di Fisica and Icra
Kazakh National Womens Teacher Training University
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