Electromagnetic wave scattering by Schwarzschild black holes
Lu\'is C. B. Crispino, Sam R. Dolan, Ednilton S. Oliveira
TL;DR
This paper provides a comprehensive numerical and analytical study of electromagnetic wave scattering by Schwarzschild black holes, comparing it with other massless fields and presenting a unified scattering framework.
Contribution
It offers the first unified analysis of scattering for all massless fields by black holes, combining numerical and analytical methods for electromagnetic waves.
Findings
Numerical results match analytical approximations.
Electromagnetic scattering cross sections are accurately computed.
Comparison with scalar, spinor, and gravitational waves enhances understanding.
Abstract
We analyze the scattering of a planar monochromatic electromagnetic wave incident upon a Schwarzschild black hole. We obtain accurate numerical results from the partial wave method for the electromagnetic scattering cross section, and show that they are in excellent agreement with analytical approximations. The scattering of electromagnetic waves is compared with the scattering of scalar, spinor and gravitational waves. We present a unified picture of the scattering of all massless fields for the first time.
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