P59: CCEGA Black Stars as Perfect Gravitational Wave Reflectors — Evanescent Interior and Frequency Cutoff

We show that CCEGA black stars are perfect gravitational wave reflectors (R_eff = 1) for merger-frequency waves. The interior is evanescent for f < f_cut(M) because the Regge-Wheeler potential barrier at the ρ_c surface prevents wave penetration. This establishes the physical mechanism for GW echoes in CCEGA. The spectral cutoff f_cut(M) ≈ 2,000–8,000 Hz decreases monotonically with mass, providing a mass-dependent reflection signature developed further in P61.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-05-23
DOI
https://doi.org/10.5281/zenodo.20357671
Primary Topic
Pulsars and Gravitational Waves Research
Type
preprint
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preprint

P59: CCEGA Black Stars as Perfect Gravitational Wave Reflectors — Evanescent Interior and Frequency Cutoff

Marc López Sánchez
Zenodo (CERN European Organization for Nuclear Research)
Pulsars and Gravitational Waves Research
preprint

P59: CCEGA Black Stars as Perfect Gravitational Wave Reflectors — Evanescent Interior and Frequency Cutoff

Marc López Sánchez
preprint en

Abstract

We show that CCEGA black stars are perfect gravitational wave reflectors (R_eff = 1) for merger-frequency waves. The interior is evanescent for f < f_cut(M) because the Regge-Wheeler potential barrier at the ρ_c surface prevents wave penetration. This establishes the physical mechanism for GW echoes in CCEGA. The spectral cutoff f_cut(M) ≈ 2,000–8,000 Hz decreases monotonically with mass, providing a mass-dependent reflection signature developed further in P61.

Zenodo (CERN European Organization for Nuclear Research)
Pulsars and Gravitational Waves Research
DOIOpen Access PDFOpenAlex
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P59: CCEGA Black Stars as Perfect Gravitational Wave Reflectors — Evanescent Interior and Frequency Cutoff — Marc López Sánchez · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS