Destabilizing the Fundamental Mode of Black Holes: The Elephant and the Flea

Publikation: Bidrag til tidsskrift › Letter › Forskning › fagfællebedømt

Standard

Destabilizing the Fundamental Mode of Black Holes : The Elephant and the Flea. / Cheung, Mark; Destounis, Kyriakos; Macedo, Rodrigo Panosso; Bertil, Emanuaele; Cardoso, Vitor.

I: Physical Review Letters, Bind 128, Nr. 11, 111103, 18.03.2022.

Publikation: Bidrag til tidsskrift › Letter › Forskning › fagfællebedømt

Harvard

Cheung, M, Destounis, K, Macedo, RP, Bertil, E & Cardoso, V 2022, 'Destabilizing the Fundamental Mode of Black Holes: The Elephant and the Flea', Physical Review Letters, bind 128, nr. 11, 111103. https://doi.org/10.1103/PhysRevLett.128.111103

APA

Cheung, M., Destounis, K., Macedo, R. P., Bertil, E., & Cardoso, V. (2022). Destabilizing the Fundamental Mode of Black Holes: The Elephant and the Flea. Physical Review Letters, 128(11), [111103]. https://doi.org/10.1103/PhysRevLett.128.111103

Vancouver

Cheung M, Destounis K, Macedo RP, Bertil E, Cardoso V. Destabilizing the Fundamental Mode of Black Holes: The Elephant and the Flea. Physical Review Letters. 2022 mar. 18;128(11). 111103. https://doi.org/10.1103/PhysRevLett.128.111103

Author

Cheung, Mark ; Destounis, Kyriakos ; Macedo, Rodrigo Panosso ; Bertil, Emanuaele ; Cardoso, Vitor. / Destabilizing the Fundamental Mode of Black Holes : The Elephant and the Flea. I: Physical Review Letters. 2022 ; Bind 128, Nr. 11.

Bibtex

@article{58437608571544a88fdd0873c864b0ce,
title = "Destabilizing the Fundamental Mode of Black Holes: The Elephant and the Flea",
abstract = "Recent work applying the notion of pseudospectrum to gravitational physics showed that the quasinormal mode spectrum of black holes is unstable, with the possible exception of the longest-lived (fundamental) mode. The fundamental mode dominates the expected signal in gravitational wave astronomy, and there is no reason why it should have privileged status. We compute the quasinormal mode spectrum of two model problems where the Schwarzschild potential is perturbed by a small {"}bump{"} consisting of either a Poschl-Teller potential or a Gaussian, and we show that the fundamental mode is destabilized under generic perturbations. We present phase diagrams and study a simple double-barrier toy problem to clarify the conditions under which the spectral instability occurs.",
author = "Mark Cheung and Kyriakos Destounis and Macedo, {Rodrigo Panosso} and Emanuaele Bertil and Vitor Cardoso",
year = "2022",
month = mar,
day = "18",
doi = "10.1103/PhysRevLett.128.111103",
language = "English",
volume = "128",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "11",

}

RIS

TY - JOUR

T1 - Destabilizing the Fundamental Mode of Black Holes

T2 - The Elephant and the Flea

AU - Cheung, Mark

AU - Destounis, Kyriakos

AU - Macedo, Rodrigo Panosso

AU - Bertil, Emanuaele

AU - Cardoso, Vitor

PY - 2022/3/18

Y1 - 2022/3/18

N2 - Recent work applying the notion of pseudospectrum to gravitational physics showed that the quasinormal mode spectrum of black holes is unstable, with the possible exception of the longest-lived (fundamental) mode. The fundamental mode dominates the expected signal in gravitational wave astronomy, and there is no reason why it should have privileged status. We compute the quasinormal mode spectrum of two model problems where the Schwarzschild potential is perturbed by a small "bump" consisting of either a Poschl-Teller potential or a Gaussian, and we show that the fundamental mode is destabilized under generic perturbations. We present phase diagrams and study a simple double-barrier toy problem to clarify the conditions under which the spectral instability occurs.

AB - Recent work applying the notion of pseudospectrum to gravitational physics showed that the quasinormal mode spectrum of black holes is unstable, with the possible exception of the longest-lived (fundamental) mode. The fundamental mode dominates the expected signal in gravitational wave astronomy, and there is no reason why it should have privileged status. We compute the quasinormal mode spectrum of two model problems where the Schwarzschild potential is perturbed by a small "bump" consisting of either a Poschl-Teller potential or a Gaussian, and we show that the fundamental mode is destabilized under generic perturbations. We present phase diagrams and study a simple double-barrier toy problem to clarify the conditions under which the spectral instability occurs.

U2 - 10.1103/PhysRevLett.128.111103

DO - 10.1103/PhysRevLett.128.111103

M3 - Letter

C2 - 35363003

VL - 128

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 11

M1 - 111103

ER -

ID: 305689835