Seeing Relativity -- III. Journeying within the Kerr metric toward the negative gravity region
arXiv:2008.04384 · doi:10.1142/S0218271820501096
Abstract
In this paper we study some features of the Kerr metric both from an analytic and a visual point of view by performing accurate raytracing in various situations. We focus on features that are unique to the maximal analytic extension of the Kerr metric as compared to that of the Schwarzschild or even the Reissner-Nordström one. A large number of new, yet underexplored phenomena appear, especially regarding the structure of bounded null geodesics and the aspect of the negative gravity regions whose visual characteristics are shown both from outside and inside it.
arXiv comment55 pages, 44 figures, ~ 50 Mb; submitted to IJMPD
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- Seeing relativity -- I. Ray tracing in a Schwarzschild metric to explore the maximal analytic extension of the metric and making a proper rendering of the stars
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