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arxiv: 1208.3306 · v1 · pith:L5FNNUW6new · submitted 2012-08-16 · 🌀 gr-qc

Strong gravitational lensing by Schwarzschild black hole

classification 🌀 gr-qc
keywords blackgravitationallensingstrongbendingequationholemodel
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Schwarzschild black holes can produce strong gravitational lensing. The relativistic images are produced due to bending of light around the black hole. We propose a model equation to study the strong gravitational lensing. The model equation can well describe the bending angle from a range very close to the photon sphere to the first relativistic image.

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