GUP-corrected rotating wormholes based on the Dymnikova-Schwinger profile produce split co- and counter-rotating photon spheres and asymmetric shadows.
Deflection angle of light in an Ellis wormhole geometry
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abstract
We reexamine the light deflection by an Ellis wormhole. The bending angle as a function of the ratio between the impact parameter and the throat radius of the wormhole is obtained in terms of a complete elliptic integral of the first kind. This result immediately yields asymptotic expressions in the weak field approximation. It is shown that an expression for the deflection angle derived (and used) in recent papers is valid at the leading order but it breaks down at the next order because of the nontrivial spacetime topology.
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gr-qc 2years
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Numerical simulations of negative mass wormholes reveal distinct photon ring substructures in their shadows compared to Schwarzschild black holes and Simpson-Visser wormholes.
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Dymnikova-Schwinger quantum-corrected slowly rotating wormholes: Photon and spinning particle dynamics
GUP-corrected rotating wormholes based on the Dymnikova-Schwinger profile produce split co- and counter-rotating photon spheres and asymmetric shadows.
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Observational signatures of negative mass wormholes through their shadows
Numerical simulations of negative mass wormholes reveal distinct photon ring substructures in their shadows compared to Schwarzschild black holes and Simpson-Visser wormholes.