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hep-th2025
Expanding on the double copy in null Fermi coordinates
Samarth Chawla, Kwinten Fransen, Cynthia Keeler
We propose a Weyl classical double copy for a Fermi normal coordinate expansion around null geodesics. To leading order in this "Penrose expansion", we recover a previously propose…
hep-th2024
The Penrose limit of the Weyl double copy
Samarth Chawla, Kwinten Fransen, Cynthia Keeler
We embed the Penrose limit into the Weyl classical double copy. Thereby, we provide a lift of the double copy properties of plane wave spacetimes into black hole geometries and we…
hep-th2024★ 1 cited
On type-II Spacetimes and the Double Copy for Fluids Metrics
Cynthia Keeler, Nikhil Monga
In our previous paper (arXiv:2005.04242) we discussed type-D and type-N fluid-dual spacetimes and provided their associated single copies in the context of the Weyl double copy. In…