SNAIL-TWPA circuits form stable analogue black-white holes with quasi-normal modes that determine the ringdown timescale before nonlinear dispersion dominates.
An analytic representation for the quasi-normal modes of Kerr black holes,
6 Pith papers cite this work, alongside 1,290 external citations. Polarity classification is still indexing.
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Finite post-peak detector-frame windows for GW250114 yield a stable common-remnant Kerr interpretation after calibration on synthetic waveforms and robustness checks.
A residue-based approach in f(Q) gravity claims that thermodynamic Hessian degeneracy in the extended state space produces corresponding shifts in quasinormal-mode frequencies, Lyapunov exponents, damping times, and near-horizon monodromy.
An RG-improved Schwarzschild metric with de Sitter core is studied for shadow radius, scalar/EM/Dirac quasinormal modes via WKB and time-domain methods, SCC compliance at the inner horizon, and a Davies-type thermodynamic phase transition.
Admissible negative-w_r branches of trace-quadratic f(R,T) black holes support axial ringdown spectra governed by a single master equation equivalent to Einstein gravity plus frozen anisotropic fluid, differing from Schwarzschild by ~22% with no resolved α dependence.
GWTC-5.0 is a data release documenting over 300 gravitational-wave events from compact binary mergers observed through early 2025.
citing papers explorer
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Stability and quasi-normal ringing in analogue black-white holes in SNAIL-based traveling-wave parametric amplifiers
SNAIL-TWPA circuits form stable analogue black-white holes with quasi-normal modes that determine the ringdown timescale before nonlinear dispersion dominates.
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Deterministic Trust Regions for Finite-Window Black-Hole Spectroscopy in GW250114
Finite post-peak detector-frame windows for GW250114 yield a stable common-remnant Kerr interpretation after calibration on synthetic waveforms and robustness checks.
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Thermodynamic-Geometric Phase Transition and Gravitational-Wave Quasinormal Modes of Schwarzschild Black Holes in $f(Q)$ Gravity: An RVB-Residue Approach
A residue-based approach in f(Q) gravity claims that thermodynamic Hessian degeneracy in the extended state space produces corresponding shifts in quasinormal-mode frequencies, Lyapunov exponents, damping times, and near-horizon monodromy.
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Renormalization-group improved Schwarzschild black hole: shadow, ringdown, and strong cosmic censorship
An RG-improved Schwarzschild metric with de Sitter core is studied for shadow radius, scalar/EM/Dirac quasinormal modes via WKB and time-domain methods, SCC compliance at the inner horizon, and a Davies-type thermodynamic phase transition.
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Odd-parity perturbations of trace-quadratic $f(R,T)$ black holes with anisotropic matter: admissible branches, axial ringdown, and a coupled-PINN benchmark
Admissible negative-w_r branches of trace-quadratic f(R,T) black holes support axial ringdown spectra governed by a single master equation equivalent to Einstein gravity plus frozen anisotropic fluid, differing from Schwarzschild by ~22% with no resolved α dependence.
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GWTC-5.0: An Introduction to Version 5.0 of the Gravitational-Wave Transient Catalog
GWTC-5.0 is a data release documenting over 300 gravitational-wave events from compact binary mergers observed through early 2025.