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Spin dependence of black hole ringdown nonlinearities


Parametrized ringdown spin expansion coefficients - IRIS Uniroma1

Black-hole spectroscopy is arguably the most promising tool to test gravity in extreme regimes and to probe the ultimate nature of black ...

Nonlinear Effects in Black Hole Ringdown

The spin-2 spin-weighted spheroidal harmonics Slm = Slm(θ; ϕ;χωnlm) ... Dependence of the second-order mode amplitude (left and middle ...

Spin-induced dynamical scalarization, descalarization ... - NSF PAR

Witek, Nonlinear curvature effects in gravitational waves from inspiralling black hole binaries, Phys. Rev. D 103,. L121503 (2021). [38] B. Shiralilou, T.

Nonlinearities in Black Hole Ringdowns (Journal Article) | OSTI.GOV

The gravitational wave strain emitted by a perturbed black hole (BH) ringing down is typically modeled analytically using first-order BH perturbation theory ...

Gravitational Waves From Binary Black Hole Mergers - Frontiers

The individual black hole spin magnitudes are more difficult to constrain due to the strong dependence of the GW phase on χeff. However, a few ...

Constraining Black Hole Spins with Gravitational-wave Observations

The observation of gravitational-wave signals from merging black hole binaries enables direct measurement of the properties of the black holes. An individual ...

Scientist performs the first nonlinear study of black hole mimickers

These signals are universally identical to that of a black hole ringdown (or the post-merger phase) independently of the black hole mimicker's ...

Are asymmetric black holes possible? - Astronomy Stack Exchange

Any asymmetry would disappear extremely rapidly, damped by the emission of gravitational waves. This is demonstrated by the briefness of the ...

Nonlinear Treatment of a Black Hole Mimicker Ringdown - PubMed

We perform the first nonlinear and self-consistent study of the merger and ringdown of a black hole mimicking object with stable light rings ...