Gravitational lensing by two photon spheres in a black-bounce spacetime in strong deflection limits
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DOI: 10.1103/physrevd.104.064022
Abstract: We investigate gravitational lensing by a primary photon sphere which is formed by unstable circular light orbits, and by a secondary photon sphere on a wormhole throat in a black-bounce spacetime which is suggested in… read more here.
Keywords: gravitational lensing; black bounce; bounce spacetime; photon sphere ... See more keywords