Strong gravitational lensing by Schwarzschild black hole
Tushar Kanti Dey
TL;DR
This paper presents a model equation to accurately describe the bending angle of light caused by Schwarzschild black holes, capturing the formation of relativistic images in strong gravitational lensing.
Contribution
The paper introduces a new model equation that effectively describes light bending near the photon sphere of Schwarzschild black holes, enhancing understanding of relativistic images.
Findings
Model accurately describes bending angle near photon sphere
Captures formation of relativistic images
Applicable to strong gravitational lensing scenarios
Abstract
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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Taxonomy
TopicsAstrophysical Phenomena and Observations · Pulsars and Gravitational Waves Research · Adaptive optics and wavefront sensing