Nonlinear electrodynamical lensing of electromagnetic waves on the dipole magnetic field of the magnetar
Beissen N. Abishev M. Toktarbay S. Yernazarov T. Aimuratov Y. Khassanov M.
1 December 2023World Scientific
International Journal of Modern Physics D
2023#32Issue 16
We study numerically a combined gravitational and nonlinear magnetic lensing e®ect on electromagnetic flux. A magnetar with a dipole magnetic field and background gravitational ¯eld is considered to de°ect the light rays which passed through its magnetosphere. We assume a square wave front with sides (150 x 150) x 103m as a grid with the 103m dynamic step. At the nodes of this grid, the rays enter perpendicularly into the cubic area, which covers the main magnetic lensing region with a magnetar at the center. On the basis of general relativity (GR) and nonlinear vacuum electrodynamics, the distribution of rays by the deflection angle in the combined field of the magnetar was obtained. On the basis of the analysis of the obtained data, it is possible to assert that the magnetic field distorts the result of gravitational lensing. Therefore, the magnetar is regarded as a gravitational-magnetic lensing object, wherein the magnetic field induces axial distortion within 10-60. These results are expected to be detectable by modern instruments.
gravitational , magnetars , magnetic dipole field , magnetic lensing , Nonlinear electrodynamics of vacuum
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Institute for Experimental and Theoretical Physics, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, Almaty, 050040, Kazakhstan
Department of Theoretical and Nuclear Physics, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, Almaty, 050040, Kazakhstan
Department of Physics, Kazakh National Womens Teacher Training University, Almaty, 050000, Kazakhstan
Fesenkov Astrophysical Institute, Observatory 23, Almaty, 050020, Kazakhstan
Institute for Experimental and Theoretical Physics
Department of Theoretical and Nuclear Physics
Department of Physics
Fesenkov Astrophysical Institute
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