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Critical scalarization and descalarization of black holes in a generalized scalar-tensor theory
We study the critical dynamics in scalarization and descalarization in the fully nonlinear dynamical evolution in the class of theories with a scalar...
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Instability of de-Sitter black hole with massive scalar field coupled to Gauss–Bonnet invariant and the scalarized black holes
The black hole scalarization in a special Einstein-scalar–Gauss–Bonnet (EsGB) gravity has been widely investigated in recent years. Especially, the...
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Descalarization by quenching charged hairy black hole in asymptotically AdS spacetime
In this work, we study the real-time dynamics of the charged hairy black hole with the time-dependent source of scalar field in asymptotically...
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Type I critical dynamical scalarization and descalarization in Einstein-Maxwell-scalar theory
We investigated the critical dynamical scalarization and descalarization of black holes within the framework of the Einstein-Maxwell-scalar theory...
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Static de-Sitter black holes abhor charged scalar hair
We prove a no charged scalar hair theorem for static black holes in de-Sitter spacetime in the region between the event horizon and the cosmological...
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Scalarized Kerr-Newman black holes
In this paper, we construct scalarized rotating black holes within the framework of Einstein-Maxwell-scalar models. These models incorporate...
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Spontaneous scalarization in (A)dS gravity at zero temperature
We study spontaneous scalarization of electrically charged extremal black holes in D ≥ 4 spacetime dimensions. Such a phenomenon is caused by the...
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Higher dimensional black hole scalarization
In the simplest scalar-tensor theories, wherein the scalar field is non-minimally coupled to the Ricci scalar, spontaneous scalarization of...
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Entanglement inside a black hole before the Page time
We investigate the evolution of entanglement within an open, strongly coupled system interacting with a heat bath as its environment, in the...
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Time evolution of Einstein-Maxwell-scalar black holes after a thermal quench
We employ the holographic quench technique to drive Einstein-Maxwell-scalar (EMs) black holes out of equilibrium and study the real-time dynamics...
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Analytic and asymptotically flat hairy (ultra-compact) black-hole solutions and their axial perturbations
In this work, we consider a very simple gravitational theory that contains a scalar field with its kinetic and potential terms minimally coupled to...
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Inside an asymptotically flat hairy black hole
We study the interior of a recently constructed family of asymptotically flat, charged black holes that develop (charged) scalar hair as one...
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Scalarized Einstein–Maxwell-scalar black holes in anti-de Sitter spacetime
In this paper, we study spontaneous scalarization of asymptotically anti-de Sitter charged black holes in an Einstein–Maxwell-scalar model with a...
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Superradiance instabilities of charged black holes in Einstein-Maxwell-scalar theory
We study time evolutions of charged scalar perturbations on the background of a charged hairy black hole, in which the perturbations can be governed...
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Restoring strong cosmic censorship in Reissner–Nordström–de Sitter black holes via non-minimal electromagnetic-scalar couplings
We investigate whether the Strong Cosmic Censorship (SCC) Conjecture can be reinstated at the classical level in Reissner–Nordström–de Sitter (RNdS)...
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A shadow study for a static dyonic black hole with a global monopole surrounded by perfect fluid
In this paper, we mainly study the shadow and observable features of a dyonic black hole (DBH) with a global monopole surrounded by perfect fluid...
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Scalarized Einstein–Maxwell-scalar black holes in a cavity
In this paper, we study the spontaneous scalarization of Reissner–Nordström (RN) black holes enclosed by a cavity in an Einstein–Maxwell-scalar (EMS)...
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Correlated stability conjecture for AdS black holes in higher dimensional Ricci cubic gravity
We investigate the correlated stability conjecture for AdS black holes obtained from the higher dimensional Ricci cubic gravity. It shows that the...
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Dynamic generation or removal of a scalar hair
We study dynamic processes through which the scalar hair of black holes is generated or detached in a theory with a scalar field non-minimally...
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Quasinormal modes of black holes with multiple photon spheres
For a static and spherically symmetric black hole, a photon sphere is composed of circular null geodesics of fixed radius, and plays an important...