1.1k citations · 7.1k across the 80 of their papers we have counts for
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gr-qc2018★ 42 cited
The modification of photon trapping orbits as a diagnostic of non-Kerr spacetimes
Kostas Glampedakis, George Pappas
Photon circular orbits, an extreme case of light deflection, are among the hallmarks of black holes and are known to play a central role in a variety of phenomena related to these…
gr-qc2018★ 742 cited
Black holes, gravitational waves and fundamental physics: a roadmap
Leor Barack, Vitor Cardoso, Samaya Nissanke +203
The grand challenges of contemporary fundamental physics---dark matter, dark energy, vacuum energy, inflation and early universe cosmology, singularities and the hierarchy problem-…
gr-qc2018★ 8 cited
On the connection of spacetime separability and spherical photon orbits
George Pappas, Kostas Glampedakis
The notion of non-equatorial spherical photon orbits is among the very special properties of the Kerr spacetime of rotating black holes and is one that leaves a clear mark on the e…