Gravitational lensing for a boosted Kerr black hole in the presence of plasma
Carlos A. Benavides-GallegoDepartment of Physics, Center for Field Theory and Particle Physics, Fudan University, Shanghai 200438, ChinaAhmadjon AbdujabbarovDepartment of Physics, Center for Field Theory and Particle Physics, Fudan University, Shanghai 200438, ChinaCosimo BambiDepartment of Physics, Center for Field Theory and Particle Physics, Fudan University, Shanghai 200438, China
ABI
Abstract
We obtain the deflection angle for a boosted Kerr black hole in the weak field approximation. We also study the behavior of light in the presence of plasma by considering different distributions: singular isothermal sphere, non-singular isothermal gas sphere, and plasma in a galaxy cluster. We find that the dragging of the inertial system along with the boosted parameter affect the value of the deflection angle. As an application, we studied the magnification for both uniform and SIS distributions.
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