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Gravitational lensing in a black-bounce traversable wormhole spacetime

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arxiv 2005.13096 v2 pith:7XSHGKVM submitted 2020-05-27 gr-qc

J. R. Nascimento , A. Yu. Petrov , P. J. Porfirio , A. R. Soares This is my paper · ORCID
classification gr-qc
keywords deflectionspacetimetraversableafterwardsallowsangleangularblack
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In this work, we calculate the deflection angle of light in a spacetime that interpolates between regular black holes and traversable wormholes, depending on the free parameter of the metric. Afterwards, this angular deflection is substituted into the lens equations which allows to obtain physically measurable results, such as the position of the relativistic images and the magnifications.

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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Exact plane symmetric black bounce with a perfect-fluid exterior obeying a linear equation of state

    gr-qc 2025-06 conditional novelty 6.0 of 10

    A plane-symmetric perfect-fluid spacetime with a linear equation of state admits maximal extensions that are either a globally regular black bounce or a black hole with a spacelike singularity, depending on the interi...

  2. Observational Signatures of Janis-Newman-Winicour Strongly Naked Singularity

    gr-qc 2025-05 conditional novelty 5.0 of 10

    Light rays that turn around near a JNW strongly naked singularity produce paired lensed images and characteristic brightness curves that differ from black hole images.

  3. Black bounce sourced by non-minimally coupled linear electrodynamics and a canonical scalar field through a thin shell at the throat

    gr-qc 2026-08 conditional novelty 4.0 of 10

    A new family of black bounce and wormhole solutions in general relativity is constructed from a canonical scalar field non-minimally coupled to linear electrodynamics, with the required energy-condition violation conf...

  4. On relativistic observables in black bounce spacetimes

    gr-qc 2026-07 conditional novelty 4.0 of 10

    Black bounce spacetimes with larger throat parameter α produce enhanced periastron precession, light deflection, and a larger critical impact parameter in the wormhole regime, offering potential observational signatures.

  5. Gravitational Lensing by Black Holes in Einstein-nonlinear Electrodynamic Theories with Multiple Photon Spheres

    gr-qc 2025-07 conditional novelty 4.0 of 10

    In Einstein-nonlinear electrodynamic black holes, each effective potential peak that is taller than all peaks outside it yields a separate photon ring cluster in the lensed image, and triple-peak cases show three nest...

  6. Light deflection and gravitational lensing effects in acoustic black-bounce spacetime

    gr-qc 2025-05 conditional novelty 4.0 of 10

    The paper derives weak- and strong-field light deflection angles and relativistic image observables for an acoustic black-bounce spacetime, recovering Schwarzschild, Ellis-Bronnikov, and acoustic black hole limits.

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