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gr-qc2025
Elastic rigid rod in an expanding universe
Simão Correia, José Natário, Jorge Drumond Silva
We study the motion of a rigid elastic rod, initially set in its relaxed state along a spacelike geodesic, in an expanding Friedmann-Lemaître-Robertson-Walker universe. This leads…
gr-qc2025★ 1 cited
Gravitational waves from b-EMRIs: Doppler shift and beaming, resonant excitation, helicity oscillations and self-lensing
João S. Santos, Vitor Cardoso, José Natário +1
We study gravitational waves from a stellar-mass binary orbiting a spinning supermassive black hole, a system referred to as a binary extreme mass ratio inspiral (b-EMRI). We use D…