On the radiation gauge for spin-1 perturbations in Kerr–Newman spacetime
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Publication:5162508
DOI10.1088/1361-6382/ABC36FzbMATH Open1479.83148arXiv2008.08550OpenAlexW3052266923MaRDI QIDQ5162508
Author name not available (Why is that?)
Publication date: 2 November 2021
Published in: (Search for Journal in Brave)
Abstract: We extend previous work [arXiv:1908.09095] to the case of Maxwell's equations with a source. Our work shows how to construct a retarded vector potential for the Maxwell field on the Kerr-Newman background in a radiation gauge. As in our previous work, the vector potential has a "reconstructed" term obtained from a Hertz potential solving Teukolsky's equation with a source, and a "correction" term which is obtainable by a simple integration along outgoing principal null rays. The singularity structure of our vector potential is discussed in the case of a point particle source.
Full work available at URL: https://arxiv.org/abs/2008.08550
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