Near-zone symmetries of Kerr black holes

被引：0

作者：

Lam Hui

Austin Joyce

Riccardo Penco

Luca Santoni

Adam R. Solomon

机构：

[1] Columbia University,Center for Theoretical Physics, Department of Physics

[2] University of Chicago,Kavli Institute for Cosmological Physics, Department of Astronomy and Astrophysics

[3] Carnegie Mellon University,McWilliams Center for Cosmology, Department of Physics

[4] ICTP,Department of Physics and Astronomy

[5] International Centre for Theoretical Physics,undefined

[6] McMaster University,undefined

[7] Perimeter Institute for Theoretical Physics,undefined

来源：

Journal of High Energy Physics | / 2022卷

关键词：

Black Holes; Classical Theories of Gravity;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We study the near-zone symmetries of a massless scalar field on four-dimensional black hole backgrounds. We provide a geometric understanding that unifies various recently discovered symmetries as part of an SO(4, 2) group. Of these, a subset are exact symmetries of the static sector and give rise to the ladder symmetries responsible for the vanishing of Love numbers. In the Kerr case, we compare different near-zone approximations in the literature, and focus on the implementation that retains the symmetries of the static limit. We also describe the relation to spin-1 and 2 perturbations.

引用

共 22 条

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