Dynamical transitions in scalarization and descalarization through black hole accretion

Letter

Dynamical transitions in scalarization and descalarization through black hole accretion

Cheng-Yong Zhang, Qian Chen, Yunqi Liu, Wen-Kun Luo, Yu Tian, and Bin Wang

Phys. Rev. D 106, L061501 – Published 14 September 2022

Abstract

We present the first fully nonlinear study on the accretion of scalar fields onto a seed black hole in anti–de Sitter spacetime in Einstein-Maxwell-scalar theory. Intrinsic critical phenomena in the dynamical transition between bald and scalarized black holes are disclosed. In scalarizations, the transition is discontinuous and a metastable black hole acts as an attractor at the threshold. We construct a new physical mechanism to dynamically descalarize an isolated scalarized black hole. The first results on critical phenomena in descalarizations are revealed. The dynamical descalarizations can be either discontinuous or continuous at the threshold, distinguished by whether or not an intermediate attractor appears.

Received 22 April 2022
Accepted 31 August 2022

DOI:https://doi.org/10.1103/PhysRevD.106.L061501

Physics Subject Headings (PhySH)

Classical black holes General relativity equations & solutions

Gravitation, Cosmology & Astrophysics

Authors & Affiliations

Cheng-Yong Zhang ^1,*, Qian Chen ^2,†, Yunqi Liu ^3,‡, Wen-Kun Luo^1,§, Yu Tian^2,4,∥, and Bin Wang^3,5,¶

¹Department of Physics and Siyuan Laboratory, Jinan University, Guangzhou 510632, China
²School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
³Center for Gravitation and Cosmology, College of Physical Science and Technology, Yangzhou University, Yangzhou 225009, China
⁴Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
⁵Shanghai Frontier Science Center for Gravitational Wave Detection, Shanghai Jiao Tong University, Shanghai 200240, China

^*zhangcy@email.jnu.edu.cn
^†Corresponding author. chenqian192@mails.ucas.ac.cn
^‡yunqiliu@yzu.edu.cn
^§luowk@stu2020.jnu.edu.cn
^∥ytian@ucas.ac.cn
^¶Corresponding author. wang_b@sjtu.edu.cn

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Issue

Vol. 106, Iss. 6 — 15 September 2022

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Physical Review D

covering particles, fields, gravitation, and cosmology