Strong Field Limit of Black Hole Gravitational Lensing |
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Authors: | V. Bozza S. Capozziello G. Iovane G. Scarpetta |
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Affiliation: | (1) Dipartimento di Fisica "E.R. Caianiello,", Università di Salerno, Italy;(2) Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Italy |
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Abstract: | We give the formulation of the gravitational lensing theory in the strong field limit for a Schwarzschild black hole as a counterpart to the weak field approach. It is possible to expand the full black hole lens equation to work a simple analytical theory that describes the physics in the strong field limit at a high accuracy degree. In this way, we derive compact and reliable mathematical formulae for the position of additional critical curves, relativistic images and their magnification, arising in this limit. |
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Keywords: | Black Hole Physics Gravitational Lensing General Relativity |
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