Estimates one percent squeezing in gravitational waves from nonlinear effects in the ringdown phase of black hole mergers using higher harmonic amplitude ratios.
(C4) However, with nonzero Λ, variation of the total LagrangianL = Lp+L0 with respect to ˙h220 yields, ¨h220 + h ω2 220 − 2 √ 2Λh(p) 44 i h220 = 0
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Squeezed Quasinormal Modes from Nonlinear Gravitational Effects
Estimates one percent squeezing in gravitational waves from nonlinear effects in the ringdown phase of black hole mergers using higher harmonic amplitude ratios.