2 papers
hep-th2024
Dynamical Tidal Response of Kerr Black Holes from Scattering Amplitudes
M. V. S. Saketh, Zihan Zhou, Mikhail M. Ivanov
We match scattering amplitudes in point particle effective field theory (EFT) and general relativity to extract low frequency dynamical tidal responses of rotating (Kerr) black hol…
hep-th2024
Revisiting the matching of black hole tidal responses: a systematic study of relativistic and logarithmic corrections
Mikhail M. Ivanov, Zihan Zhou
The worldline effective field theory (EFT) gives a gauge-invariant definition of black hole conservative tidal responses (Love numbers), dissipation numbers, and their spin-0 and s…