Linear stability analysis of hairy black holes in quadratic degenerate higher-order scalar-tensor theories: Odd-parity perturbations
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説明
We study static spherically symmetric black hole solutions with a linearly time-dependent scalar field and discuss their linear stability in the shift- and reflection-symmetric subclass of quadratic degenerate higher-order scalar-tensor (DHOST) theories. We present the explicit forms of the reduced system of background field equations for a generic theory within this subclass. Using the reduced equations of motion, we show that in several cases the solution is forced to be of the Schwarzschild or Schwarzschild-(anti-)de Sitter form. We consider odd-parity perturbations around general static spherically symmetric black hole solutions and derive the concise criteria for the black holes to be stable. Our analysis also covers the case with a static or constant profile of the scalar field.
収録刊行物
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- Physical Review D
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Physical Review D 100 (2), 024041-024041, 2019-07-22
American Physical Society (APS)
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詳細情報 詳細情報について
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- CRID
- 1050012570392520192
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- NII論文ID
- 120006796521
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- NII書誌ID
- AA00773624
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- ISSN
- 24700029
- 24700010
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- HANDLE
- 20.500.14094/90006782
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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