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Wavefronts and Light Cones for Kerr Spacetimes

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We investigate the light propagation by means of simulations of wavefronts and light cones for Kerr spacetimes. Simulations of this kind give us a new insight to better understand the light propagation in presence of massive rotating black holes. A relevant result is that wavefronts are backscattered with winding around the black hole. To generate these visualizations, an interactive computer program with a graphical user interface, called JWFront, was written in Java.

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F. Frutos-Alfaro, F. Grave, T. Müller and D. Adis, "Wavefronts and Light Cones for Kerr Spacetimes,"

*Journal of Modern Physics*, Vol. 3 No. 12, 2012, pp. 1882-1890. doi: 10.4236/jmp.2012.312237.

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