74 citations · 333 across the 13 of their papers we have counts for
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gr-qc2021★ 44 cited
Persistent gravitational wave observables: Curve deviation in asymptotically flat spacetimes
Alexander M. Grant, David A. Nichols
In the first paper in this series, a class of observables that generalized the gravitational wave memory effect were introduced and given the name "persistent gravitational wave ob…
gr-qc2021★ 36 cited
The Wald-Zoupas prescription for asymptotic charges at null infinity in general relativity
Alexander M. Grant, Kartik Prabhu, Ibrahim Shehzad
We use the formalism developed by Wald and Zoupas to derive explicit covariant expressions for the charges and fluxes associated with the Bondi-Metzner-Sachs symmetries at null inf…