the missing asymptotic sector of rotating black-hole spectroscopy
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2014
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Abstract
The rotation of a Kerr black hole splits its low-frequency spectrum in two, so it was so far unclear why the known highly-damped resonances show no splitting. We find the missing, split sector, with spin s quasinormal modes approaching the total reflection frequencies ω(n∈N)=−ΩΔJ−iκ(n−s), where Ω, κ and ΔJ are the horizon's angular velocity, surface gravity, and induced change in angular momentum. Surprisingly, the new sector is at least partly polar, and corresponds to reversible J transitions. Its fundamental branch converges quickly, possibly affecting gravitational wave signals. A simple interpretation of the Carter constant of motion is proposed.
| Reference Key |
keshet2014physicsthe
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|---|---|
| Authors | ;Uri Keshet;Arnon Ben-Meir |
| Journal | ACS chemical biology |
| Year | 2014 |
| DOI |
10.1016/j.physletb.2014.09.011
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| URL | |
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