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Gravitational Lensing and Optical Geometry
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The year 2019 saw the centenary of Eddington's eclipse expeditions and the corroboration of Einstein's general relativity by gravitational lensing. To mark the occasion, a Special Issue of Universe has been dedicated to the theoretical aspects of strong gravitational lensing. The articles assembled in this volume contain original research and reviews and apply a variety of mathematical techniques that have been developed to study this effect, both in 3-space and in spacetime. These include: · Mathematical properties of the standard thin lens approximation, in particular caustics; · Optical geometry, the Gauss–Bonnet method and related approaches; · Lensing in the spacetime of general relativity and modified theories; black hole shadows.
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Keywords
- Black Hole
- black hole shadow
- black holes
- caustics
- Dark Matter
- event horizon telescope
- Galaxies
- Gauss–Bonnet theorem
- general relativity
- global monopole
- gravitational lens
- Gravitational Lensing
- magnification cross sections
- Mathematics & science
- perfect fluid
- Reference, information & interdisciplinary subjects
- Research & information: general
- rotating black hole
- scalar field
- Shadows
- strong gravitational lensing
- ultralight particles
- weak deflection
- wormhole
- wormholes
Links
DOI: 10.3390/books978-3-03943-287-5Editions