Derives a factorized leading term for the strong deflection angle near degenerate photon spheres using local expansion of the effective potential and Weyl tensor measures.
Deflection angle in the strong deflection limit for static axisymmetric spacetimes: local curvature, matter fields, and quasinormal modes
4 Pith papers cite this work. Polarity classification is still indexing.
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Periodic orbits in Euler-Heisenberg black holes surrounded by perfect fluid dark matter produce burst-like gravitational wave signals whose amplitude and frequency content are modified by both dark matter density and QED parameters.
Extends strong-deflection-limit analysis to power-divergent lensing by marginally unstable photon spheres in general static spherically symmetric asymptotically flat spacetimes and tests it on Reissner-Nordström and Hayward metrics.
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Gravitational lensing inside and outside of a marginally unstable photon sphere in a general, static, spherically symmetric, and asymptotically-flat spacetime in strong deflection limits
Extends strong-deflection-limit analysis to power-divergent lensing by marginally unstable photon spheres in general static spherically symmetric asymptotically flat spacetimes and tests it on Reissner-Nordström and Hayward metrics.