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gr-qc2024★ 14 cited
Higher memory effects and the post-Newtonian calculation of their gravitational-wave signals
Siddhant Siddhant, Alexander M. Grant, David A. Nichols
A new hierarchy of lasting gravitational-wave effects (the higher memory effects) was recently identified in asymptotically flat spacetimes, with the better-known displacement, spi…
gr-qc2024★ 11 cited
Persistent gravitational wave observables: Nonlinearities in (non-)geodesic deviation
Alexander M. Grant
The usual gravitational wave memory effect can be understood as a change in the separation of two initially comoving observers due to a burst of gravitational waves. Over the past…