Black holes in anti-de Sitter spacetime: Quasinormal modes, tails, and flat spacetime

Research output: Contribution to journal › Journal article › Research › peer-review

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Black holes in anti-de Sitter spacetime : Quasinormal modes, tails, and flat spacetime. / Cardoso, Vitor; Khanna, Gaurav.

In: Physical Review D, Vol. 91, No. 2, 024031, 22.01.2015.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Cardoso, V & Khanna, G 2015, 'Black holes in anti-de Sitter spacetime: Quasinormal modes, tails, and flat spacetime', Physical Review D, vol. 91, no. 2, 024031. https://doi.org/10.1103/PhysRevD.91.024031

APA

Cardoso, V., & Khanna, G. (2015). Black holes in anti-de Sitter spacetime: Quasinormal modes, tails, and flat spacetime. Physical Review D, 91(2), [024031]. https://doi.org/10.1103/PhysRevD.91.024031

Vancouver

Cardoso V, Khanna G. Black holes in anti-de Sitter spacetime: Quasinormal modes, tails, and flat spacetime. Physical Review D. 2015 Jan 22;91(2). 024031. https://doi.org/10.1103/PhysRevD.91.024031

Author

Cardoso, Vitor ; Khanna, Gaurav. / Black holes in anti-de Sitter spacetime : Quasinormal modes, tails, and flat spacetime. In: Physical Review D. 2015 ; Vol. 91, No. 2.

Bibtex

@article{db65e76ef4c448c380cca036e8561e0c,
title = "Black holes in anti-de Sitter spacetime: Quasinormal modes, tails, and flat spacetime",
abstract = "Black holes (BHs) in asymptotically anti-de Sitter (AdS) spacetimes have been the subject of intense scrutiny, including detailed frequency-domain analysis and full nonlinear evolutions. Remarkably, studies of linearized perturbations in the time-domain are scarce or nonexistant. We close this gap by evolving linearized scalar wave packets in the background of rotating BHs in AdS spacetimes. Our results show a number of interesting features. Small BHs in AdS behave as asymptotically flat BHs for early/intermediate times, displaying the same ringdown modes and power-law tails. As the field bounces back and forth between the horizon and the timelike boundary it {"}thermalizes{"} and the modes of AdS settle in. Finally, we have indications that wave packets in the vicinity of fast spinning BHs grow exponentially in time, signaling a superradiant instability of the geometry previously reported through a frequency-domain analysis.",
keywords = "FIELD-THEORIES, PERTURBATIONS, SCALAR",
author = "Vitor Cardoso and Gaurav Khanna",
year = "2015",
month = jan,
day = "22",
doi = "10.1103/PhysRevD.91.024031",
language = "English",
volume = "91",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
number = "2",

}

RIS

TY - JOUR

T1 - Black holes in anti-de Sitter spacetime

T2 - Quasinormal modes, tails, and flat spacetime

AU - Cardoso, Vitor

AU - Khanna, Gaurav

PY - 2015/1/22

Y1 - 2015/1/22

N2 - Black holes (BHs) in asymptotically anti-de Sitter (AdS) spacetimes have been the subject of intense scrutiny, including detailed frequency-domain analysis and full nonlinear evolutions. Remarkably, studies of linearized perturbations in the time-domain are scarce or nonexistant. We close this gap by evolving linearized scalar wave packets in the background of rotating BHs in AdS spacetimes. Our results show a number of interesting features. Small BHs in AdS behave as asymptotically flat BHs for early/intermediate times, displaying the same ringdown modes and power-law tails. As the field bounces back and forth between the horizon and the timelike boundary it "thermalizes" and the modes of AdS settle in. Finally, we have indications that wave packets in the vicinity of fast spinning BHs grow exponentially in time, signaling a superradiant instability of the geometry previously reported through a frequency-domain analysis.

AB - Black holes (BHs) in asymptotically anti-de Sitter (AdS) spacetimes have been the subject of intense scrutiny, including detailed frequency-domain analysis and full nonlinear evolutions. Remarkably, studies of linearized perturbations in the time-domain are scarce or nonexistant. We close this gap by evolving linearized scalar wave packets in the background of rotating BHs in AdS spacetimes. Our results show a number of interesting features. Small BHs in AdS behave as asymptotically flat BHs for early/intermediate times, displaying the same ringdown modes and power-law tails. As the field bounces back and forth between the horizon and the timelike boundary it "thermalizes" and the modes of AdS settle in. Finally, we have indications that wave packets in the vicinity of fast spinning BHs grow exponentially in time, signaling a superradiant instability of the geometry previously reported through a frequency-domain analysis.

KW - FIELD-THEORIES

KW - PERTURBATIONS

KW - SCALAR

U2 - 10.1103/PhysRevD.91.024031

DO - 10.1103/PhysRevD.91.024031

M3 - Journal article

VL - 91

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 2

M1 - 024031

ER -

ID: 300070617