The quasinormal mode frequencies of three gravitational-decoupling hairy black holes differ from matched Reissner-Nordström black holes by more than the estimated WKB error for the first metric, giving a theoretical hair signature that is below current detector sensitivity.
Probing the minimal geometric deformation with trace and Weyl anomalies
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The method of minimal geometric deformation (MGD) is used to derive static, strongly gravitating, spherically symmetric, compact stellar distributions. The trace and Weyl anomalies are then employed to probe the MGD in the holographic setup, as a realistic model, playing a prominent role in AdS/CFT.
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Hair imprints of the gravitational decoupling and hairy black hole spectroscopy
The quasinormal mode frequencies of three gravitational-decoupling hairy black holes differ from matched Reissner-Nordström black holes by more than the estimated WKB error for the first metric, giving a theoretical hair signature that is below current detector sensitivity.