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Light deflection and gravitational lensing effects inspired by loop quantum gravity

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arxiv 2503.06373 v2 pith:5YML7YB2 submitted 2025-03-09 gr-qc

Light deflection and gravitational lensing effects inspired by loop quantum gravity

A. R. Soares , C. F. S. Pereira , R. L. L. Vit\'oria , Marcos V. de S. Silva , H. Belich This is my paper
classification gr-qc
keywords deflectiongravitationalgravitylensinglightloopobservablesquantum
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In the present work, we theoretically investigate light deflection in the weak and strong field regimes for two regular spacetimes with corrections from loop quantum gravity. We treat analytically the expansions for both limits and use them as a basis for investigating gravitational lensing observables. We analyze and provide reasonable values for observables related to the second model that observational tools may be able to detect.

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Cited by 3 Pith papers

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

  1. Reference-renormalized curvature-primitive Gauss-Bonnet formalism for finite-distance weak gravitational lensing in static spherical spacetimes

    gr-qc 2026-04 unverdicted novelty 6.0

    A reference-renormalized curvature-primitive Gauss-Bonnet formalism computes finite-distance weak deflection angles in static spherical spacetimes without invoking photon spheres.

  2. Particle motions and gravitational waveforms in rotating black hole spacetimes of loop quantum gravity

    gr-qc 2026-03 unverdicted novelty 6.0

    The LQG parameter ξ enlarges equatorial bound orbit energy ranges, confines off-equatorial trajectories, and produces larger deviations from Kerr waveforms in EMRI models for two rotating LQG black holes, though signa...

  3. Roche limit and stellar disruption in the Simpson--Visser spacetime

    gr-qc 2026-01 unverdicted novelty 5.0

    Tidal forces in the Simpson-Visser spacetime produce Roche radii for stars that depend on observer type and regularization, with some disruptions occurring outside the event horizon for supermassive black holes.