paper

Scalarized black holes in the Einstein-Maxwell-scalar theory with a quasi-topological term

arXiv:2011.09665 · doi:10.1103/PhysRevD.103.024010

Abstract

We investigate the Einstein-Maxwell-scalar theory with a quasi-topological term. Considering exponential couplings to Maxwell term, quasi-topological term, and both terms, we obtain three sets of infinite scalarized charged black holes by taking into account tachyonic instability of dyonic Reissner-Nordström black hole. Each set of infinite scalarized charged black holes is classified by the number of , where is called the fundamental black hole and denote the -excited black holes. All black holes are stable against the radial perturbation, while all black holes are unstable.

20 pages, 11 Figures, version to appear in PRD. arXiv admin note: text overlap with arXiv:2009.05193

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