Instability of the massive Klein-Gordon field on the Kerr spacetime

Abstract

We investigate the instability of the massive scalar field in the vicinity of a rotating black hole. The instability arises from amplification caused by the classical superradiance effect. The instability affects bound states: solutions to the massive Klein-Gordon equation which tend to zero at infinity. We calculate the spectrum of bound state frequencies on the Kerr background using a continued fraction method, adapted from studies of quasinormal modes. We demonstrate that the instability is most significant for the $l=1$, $m=1$ state, for $M\mu \lesssim 0.5$. For a fast rotating hole ($a=0.99$) we find a maximum growth rate of ${\tau }^{-1}\approx 1.5\times 10^{-7}(GM/c^3{)}^{-1}$, at $M\mu \approx 0.42$. The physical implications are discussed.

arXiv commentAdded references. 27 pages, 7 figures

References in corpus (22)

• A Large Mass Hierarchy from a Small Extra Dimension
• Black Strings and p-Branes are Unstable
• Black Holes in Theories with Large Extra Dimensions: a Review
• The black hole bomb and superradiant instabilities
• Eigenvalues and eigenfunctions of spin-weighted spheroidal harmonics in four and higher dimensions
• The evolution of circular, non-equatorial orbits of Kerr black holes due to gravitational-wave emission
• Small Kerr-anti-de Sitter black holes are unstable
• Regular coordinate systems for Schwarzschild and other spherical spacetimes
• Instability of Massive Scalar Fields in Kerr-Newman Spacetime
• Particle and light motion in a space-time of a five-dimensional rotating black hole
• Superradiant instabilities of rotating black branes and strings
• Dynamics of perturbations of rotating black holes
• Stability and quasinormal modes of the massive scalar field around Kerr black holes
• Bound states and decay times of fermions in a Schwarzschild black hole background
• Exact Solutions of Regge-Wheeler Equation and Quasi-Normal Modes of Compact Objects
• Universality of massive scalar field late-time tails in black-hole spacetimes
• Massive scalar field instability in Kerr spacetime
• New instability for rotating black branes and strings
• A superradiance resonance cavity outside rapidly rotating black holes
• Stability of five-dimensional rotating black holes projected on the brane
• Dynamics of scalar fields in the background of rotating black holes II: A note on superradiance
• Electromagnetic and Gravitational Radiation of Graviatoms

Cited by in corpus (363)

• String Axiverse
• Quasinormal modes of black holes: from astrophysics to string theory
• Testing General Relativity with Present and Future Astrophysical Observations
• Exploring the String Axiverse with Precision Black Hole Physics
• Can environmental effects spoil precision gravitational-wave astrophysics?
• Discovering the QCD Axion with Black Holes and Gravitational Waves
• Prospects for Fundamental Physics with LISA
• Wave Dark Matter
• Gravitational wave searches for ultralight bosons with LIGO and LISA
• New Horizons for Fundamental Physics with LISA
• Black Hole Superradiance Signatures of Ultralight Vectors
• Probing Ultralight Bosons with Binary Black Holes
• Superradiant Instability and Backreaction of Massive Vector Fields around Kerr Black Holes
• Massive spin-2 fields on black hole spacetimes: Instability of the Schwarzschild and Kerr solutions and bounds on the graviton mass
• Black holes as particle detectors: evolution of superradiant instabilities
• Black-Hole Bombs and Photon-Mass Bounds
• Black Hole Mergers and the QCD Axion at Advanced LIGO
• Superradiant instabilities in astrophysical systems
• Constraining the mass of dark photons and axion-like particles through black-hole superradiance
• Stationary Scalar Clouds Around Rotating Black Holes
• Perturbations of slowly rotating black holes: massive vector fields in the Kerr metric
• Stochastic and resolvable gravitational waves from ultralight bosons
• Testing the black hole "no-hair" hypothesis
• Black hole superradiance of self-interacting scalar fields
• Spin-induced black hole spontaneous scalarization
• Advanced Methods in Black-Hole Perturbation Theory
• Superradiant instabilities of rotating black holes in the time domain
• The Spectra of Gravitational Atoms
• Gravitational radiation from an axion cloud around a black hole: Superradiant phase
• Massive vector fields on the Schwarzschild spacetime: quasinormal modes and bound states
• Explosion and final state of an unstable Reissner-Nordstrom black hole
• Floating and sinking: the imprint of massive scalars around rotating black holes
• Numerical Methods for Finding Stationary Gravitational Solutions
• Astrophysical signatures of boson stars: quasinormal modes and inspiral resonances
• Gravitational Waves from Quasicircular Extreme Mass-Ratio Inspirals as Probes of Scalar-Tensor Theories
• Rapid growth of superradiant instabilities for charged black holes in a cavity
• Stationary resonances of rapidly-rotating Kerr black holes
• Kerr-Newman black holes with stationary charged scalar clouds
• Black holes with surrounding matter in scalar-tensor theories
• The Missing Link in Gravitational-Wave Astronomy: Discoveries waiting in the decihertz range
• Gravitational Collider Physics
• Superradiant instability of massive vector fields around spinning black holes in the relativistic regime
• Superradiance evolution of black hole shadows revisited
• On the instability regime of the rotating Kerr spacetime to massive scalar perturbations
• Probing Axions with Event Horizon Telescope Polarimetric Measurements
• Probing the existence of ultralight bosons with a single gravitational-wave measurement
• EHT constraint on the ultralight scalar hair of the M87 supermassive black hole
• Matter around Kerr black holes in scalar-tensor theories: scalarization and superradiant instability
• Stimulated axion decay in superradiant clouds around primordial black holes
• Black holes and fundamental fields in Numerical Relativity: initial data construction and evolution of bound states
• Disks, spikes, and clouds: distinguishing environmental effects on BBH gravitational waveforms
• Time evolution of superradiant instabilities for charged black holes in a cavity
• Black Hole Spin Constraints on the Mass Spectrum and Number of Axion-like Fields
• Testing the Cosmic Censorship Conjecture with point particles: the effect of radiation reaction and the self-force
• Directed searches for gravitational waves from ultralight bosons
• Superradiance in String Theory
• Black hole superradiant instability from ultralight spin-2 fields
• Analytic treatment of the black-hole bomb
• Ultralight boson cloud depletion in binary systems
• Characterizing the continuous gravitational-wave signal from boson clouds around Galactic isolated black holes
• A first search for a stochastic gravitational-wave background from ultralight bosons
• Axionic instabilities and new black hole solutions
• Electromagnetic emission from axionic clouds and the quenching of superradiant instabilities
• Stability of black holes in Einstein-charged scalar field theory in a cavity
• Passage of radiation through wormholes of arbitrary shape
• Black hole solutions in Einstein-charged scalar field theory
• Constraints on ultralight scalar bosons within black hole spin measurements from LIGO-Virgo's GWTC-2
• Instability of the Proca field on Kerr spacetime
• Bosenova and Axiverse
• Dynamic Signatures of Black Hole Binaries with Superradiant Clouds
• Quasinormal modes, scattering and Hawking radiation of Kerr-Newman black holes in a magnetic field
• Kerr black holes with synchronised hair: an analytic model and dynamical formation
• Sharp Signals of Boson Clouds in Black Hole Binary Inspirals
• The extremal black hole bomb
• Nonlinear effects in the black hole ringdown: absorption-induced mode excitation
• Extreme Dark Matter Tests with Extreme Mass Ratio Inspirals
• Gravitational floating orbits around hairy black holes
• Analytic treatment of the charged black-hole-mirror bomb in the highly explosive regime
• Exponentially growing finite energy solutions for the Klein-Gordon equation on sub-extremal Kerr spacetimes
• Cornering the axion with CP-violating interactions
• Extreme mass-ratio inspirals into black holes surrounded by scalar clouds
• Stability of highly-charged Reissner-Nordström black holes to charged scalar perturbations
• Modeling and searching for a stochastic gravitational-wave background from ultralight vector bosons
• Dynamical formation of a Reissner-Nordström black hole with scalar hair in a cavity
• Constraining Primordial Black-Hole Bombs through Spectral Distortions of the Cosmic Microwave Background
• Quasibound states of Schwarzschild acoustic black holes
• Black Hole Hair from Scalar Dark Matter
• The large-mass limit of cloudy black holes
• Effective stability against superradiance of Kerr black holes with synchronised hair
• Spinning Dilaton Black Holes in 2 +1 Dimensions: Quasi-normal Modes and the Area Spectrum
• Superradiant instability for black holes immersed in a magnetic field
• Extremal Kerr-Newman black holes with extremely short charged scalar hair
• Extreme mass-ratio inspirals in ultra-light dark matter
• Scalar field effects on the orbit of S2 star
• Gravitational instability of simply rotating AdS black holes in higher dimensions
• The superradiant instability regime of the spinning Kerr black hole
• Rotating black holes can have short bristles
• Superradiant instability of black holes immersed in a magnetic field
• Pseudospectrum of horizonless compact objects: a bootstrap instability mechanism
• Aspects of Nonlinear Effect on Black Hole Superradiance
• Superradiant instability of charged scalar fields in higher-dimensional Reissner-Nordström-de Sitter black holes
• Black holes in massive gravity
• Stringent axion constraints with Event Horizon Telescope polarimetric measurements of M87${}^{\star }$
• Superradiant Instability of Five-Dimensional Rotating Charged AdS Black Holes
• Bound states of the Dirac equation on Kerr spacetime
• Spin-induced dynamical scalarization, de-scalarization and stealthness in scalar-Gauss-Bonnet gravity during black hole coalescence
• Superradiance in rotating stars and pulsar-timing constraints on dark photons
• Gravitational waves and higher dimensions: Love numbers and Kaluza-Klein excitations
• Searching for ultralight bosons within spin measurements of a population of binary black hole mergers
• Impact of multiple modes on the black-hole superradiant instability
• SuperRad: Modeling the black hole superradiance gravitational waveform
• Numerical study of superradiant instability for charged stringy black hole-mirror system
• Axiverse and Black Hole
• Hints of Modified Gravity in Cosmos and in the Lab?
• Instability of rotating black hole in a limited form of $f(R)$ gravity
• Sub-millimeter Spatial Oscillations of Newton's Constant: Theoretical Models and Laboratory Tests
• Wiggly tails: a gravitational wave signature of massive fields around black holes
• Resonance and absorption spectra of the Schwarzschild black hole for massive scalar perturbations: a complex angular momentum analysis
• Follow-up signals from superradiant instabilities of black hole merger remnants
• Slowly-rotating curved acoustic black holes: Quasinormal modes, Hawking-Unruh radiation and quasibound states
• Quasinormal modes of massive scalar fields in four-dimensional wormholes: anomalous decay rate
• Relativistic drag forces on black holes from scalar dark matter clouds of all sizes
• Superradiant instability of charged massive scalar field in Kerr-Newman-anti-de Sitter black hole
• Scalar Hairy Black Holes in Four Dimensions are Unstable
• Quasinormal modes of massive vector fields on the Kerr spacetime
• Quasinormal resonances of a massive scalar field in a near-extremal Kerr black hole spacetime
• Schwarzschild scalar wigs: spectral analysis and late time behavior
• Quasinormal resonances of a charged scalar field in a charged Reissner-Nordström black hole spacetime: A WKB analysis
• Probing ultralight dark matter with future ground-based gravitational-wave detectors
• Can black hole superradiance be induced by galactic plasmas?
• Scalar perturbations on the background of Kerr black holes in the quadratic dynamical Chern-Simons gravity
• Marginal scalar and Proca clouds around Reissner-Nordström black holes
• Multiband gravitational-wave searches for ultralight bosons
• Black hole superradiance and polarization-dependent bending of light
• Superradiant Production of Heavy Dark Matter from Primordial Black Holes
• Black hole superradiance with (dark) matter accretion
• Testing the ALP-photon coupling with polarization measurements of Sagittarius A*
• Axion cloud evaporation during inspiral of black hole binaries -- the effects of backreaction and radiation
• Spin-induced scalarization of Kerr black holes with a massive scalar field
• Stationary Charged Scalar Clouds around Black Holes in String Theory
• Evolution of binary systems accompanying axion clouds in extreme mass ratio inspirals
• On the instability for massive scalar fields in Kerr-Newman spacetime
• Photon Ring Astrometry for Superradiant Clouds
• Boosted black string bombs
• Signatures of ultralight bosons in the orbital eccentricity of binary black holes
• Instability of a Kerr black hole in f(R) gravity
• Using the motion of S2 to constrain scalar clouds around SgrA*
• Instability of the charged massive scalar field on the Kerr-Newman black hole spacetime
• Object picture of scalar field perturbation on Kerr black hole in scalar-Einstein-Gauss-Bonnet theory
• Superradiant instability of the charged scalar field in stringy black hole mirror system
• Probing the string axiverse by gravitational waves from Cygnus X-1
• Constraints on the ultralight scalar boson from Advanced LIGO and Advanced Virgo's first three observing runs using the stochastic gravitational-wave background
• On the stability of the massive scalar field in Kerr space-time
• Gravitational ringing and superradiant instabilities of the Kerr-like black holes in a dark matter halo
• The charged black-hole bomb: A lower bound on the charge-to-mass ratio of the explosive scalar field
• Black hole superradiant instability for massive spin-2 fields
• Anomalous decay rate of quasinormal modes in Reissner-Nordström black holes
• Analytic treatment of the system of a Kerr-Newman black hole and a charged massive scalar field
• Superradiance in the BTZ black hole with Robin boundary conditions
• Stability of gravitating charged-scalar solitons in a cavity
• Superradiant instability of D-dimensional Reissner-Nordström black hole mirror system
• Superradiant axion clouds around asteroid-mass primordial black holes
• Numerical investigation of plasma-driven superradiant instabilities
• Gravitational waves from binary black hole mergers surrounded by scalar field clouds: Numerical simulations and observational implications
• Collapse of self-interacting fields in asymptotically flat spacetimes: do self-interactions render Minkowski spacetime unstable?
• Thermodynamics of rotating black holes and black rings: phase transitions and thermodynamic volume
• Quasi-bound states of massive scalar fields in the Kerr black-hole spacetime: Beyond the hydrogenic approximation
• Superradiance in the sky
• Scalar clouds around Kerr-Sen black holes
• Quasinormal modes and their anomalous behavior for black holes in $f(R)$ gravity
• Impact of multiple modes on the evolution of self-interacting axion condensate around rotating black holes
• The Galactic Center as a laboratory for theories of gravity and dark matter
• Superradiance in Kerr-like black holes
• Plasma-photon interaction in curved spacetime I: formalism and quasibound states around nonspinning black holes
• Time domain analysis of superradiant instability for the charged stringy black hole-mirror system
• Anomalous decay rate of quasinormal modes
• Gravitational perturbations of a Kerr black hole in $f(R)$ gravity
• Gravitational Collider Physics via Pulsar-Black Hole Binaries
• Superradiance and black hole bomb in five-dimensional minimal ungauged supergravity
• Analytic solutions in the dyon black hole with a cosmic string: scalar fields, Hawking radiation and energy flux
• Stability of charged black holes in string theory under charged massive scalar perturbations
• Plausible scenario for a generic violation of the weak cosmic censorship conjecture in asymptotically flat four dimensions
• Self-gravitating black hole scalar wigs
• Quasinormal modes, quasibound states, scalar clouds, and superradiant instabilities of a Kerr-like black hole
• Black hole hairs in scalar-tensor gravity and the lack thereof
• Improved Analytic Solution of Black Hole Superradiance
• Acoustic black-hole bombs and scalar clouds in a photon-fluid model
• Constraining ultralight bosonic dark matter with Keck observations of S2's orbit and kinematics
• The massive Dirac field on a rotating black hole spacetime: Angular solutions
• Axion clouds may survive the perturbative tidal interaction over the early inspiral phase of black hole binaries
• Methods and prospects for gravitational wave searches targeting ultralight vector boson clouds around known black holes
• Stationary bound-state scalar configurations supported by rapidly-spinning exotic compact objects
• Testing black hole superradiance with pulsar companions
• Superradiance and Stability of Kerr Black Hole Enclosed by Anisotropic Fluid Matter
• Forecasts for Low Spin Black Hole Spectroscopy in Horndeski Gravity
• Algebraically special resonances of the Kerr-black-hole-mirror bomb
• Stability of black holes with non-minimally coupled scalar hair to the Einstein tensor
• Instability and backreaction of massive spin-2 fields around black holes
• Lifetime of scalar cloud formation around a rotating regular black hole
• Superradiant scattering by a black hole binary
• Evolution of black hole shadows from superradiance
• Superradiant instability of the Kerr-like black hole in Einstein-bumblebee gravity
• Superradiance Instability of Small Rotating AdS Black Holes in Arbitrary Dimensions
• Linear stability of nonbidiagonal black holes in massive gravity
• Birefringence Tomography for Axion Cloud
• Searching for High Frequency Gravitational Waves with Phonons
• Quasistationary solutions of scalar fields around collapsing self-interacting boson stars
• Adiabatic evolution of the self-interacting axion field around rotating black holes
• Superradiant instability of $D$-dimensional Reissner-Nordström-anti-de Sitter black hole mirror system
• Evolution of diffuse scalar clouds around binary black holes
• Black hole accretion discs and screened scalar hair
• Superradiant pion clouds around primordial black holes
• Accessing the axion via compact object binaries
• Analytical study of superradiant instability for five-dimensional Kerr-Gödel black hole
• Instability and no-hair paradigm in d-dimensional charged-AdS black holes
• Superradiant instabilities in the Kerr-mirror and Kerr-AdS black holes with Robin boundary conditions
• Massive scalar field perturbation on Kerr black holes in dynamical Chern-Simons gravity
• Observational prospects of self-interacting scalar superradiance with next-generation gravitational-wave detectors
• Superradiance and instability of the charged Myers-Perry black holes in the Gödel Universe
• Spinning Black Holes with Axion Hair
• Black Hole Superradiance in Dynamical Chern-Simons Gravity
• Superradiant Leptogenesis
• Unstable mode solutions to the Klein-Gordon equation in Kerr-anti-de Sitter spacetimes
• Scalar field perturbation around a rotating hairy black hole: quasinormal modes, quasibound states and superradiant instability
• Astrophysical black holes in screened modified gravity
• Superradiance and instability of small rotating charged AdS black holes in all dimensions
• Superradiance of massive scalar particles around rotating regular black holes
• Superradiant energy extraction from rotating hairy Horndeski black holes
• Self-Interacting Gravitational Atoms in the Strong-Gravity Regime
• Exceptional point and hysteresis in perturbations of Kerr black holes
• Gravitational atoms in the braneworld scenario
• Black-hole spectroscopy: quasinormal modes, ringdown stability and the pseudospectrum
• Dynamical signatures of black holes in massive Chern-Simons gravity: Quasibound modes and time evolution
• Probing Axions via Light Circular Polarization and Event Horizon Telescope
• Astrophysical black holes as natural laboratories for fundamental physics and strong-field gravity
• Time evolutions of scalar field perturbations in $D$-dimensional Reissner-Nordström Anti-de Sitter black holes
• Quasinormal Modes, Grebody Factors, and Hawking Radiation Sparsity of Black Holes Influenced by a Global Monopole Charge in Kalb-Ramond Gravity
• Multi-messenger Probes of Asteroid Mass Primordial Black Holes: Superradiance Spectroscopy, Hawking Radiation, and Microlensing
• Onset of superradiant instabilities in the hydrodynamic vortex model
• Superradiant instability of a charged regular black hole
• Black-hole bombs at the LHC
• Superradiance in massive vector fields with spatially varying mass
• Near-horizon microstructure and superradiant instability of black holes
• On long range axion hairs for black holes
• Massive scalar perturbations in Kerr Black Holes: near extremal analysis
• Scale Invariant Gravity and Black Hole Ringdown
• Asymptotic behavior of Heun function and its integral formalism
• Extremal rotating black holes, scalar perturbation and superradiant stability
• Superradiantly stable non-extremal Reissner-Nordstrom black holes
• Gregory-Laflamme encounters Superradiance
• Implication of nano-Hertz stochastic gravitational wave background on ultralight axion particles
• Phenomenology of the companion-axion model: photon couplings
• The spinning Kerr-black-hole-mirror bomb: A lower bound on the radius of the reflecting mirror
• Stringent constraints on the light boson model with supermassive black hole spin measurements
• Superradiant Instability of Magnetic Black Holes
• Stationary Scalar Clouds Around Maximally Rotating Linear Dilaton Black Holes
• Imprints of ultralight axions on the gravitational wave and pulsar timing measurement
• Getting More Out of Black Hole Superradiance: a Statistically Rigorous Approach to Ultralight Boson Constraints from Black Hole Spin Measurements
• Subdominant Modes of Scalar Superradiant Instability and Gravitational Wave Beats
• Imperfect draining vortex as analogue extreme compact object
• Probing vector gravitational atoms with eccentric intermediate mass-ratio inspirals
• Probing the black holes in a dark matter halo of M87 using gravitational wave echoes
• Gravitational waves from axions annihilation through quantum field theory
• Superradiant instabilities of massive bosons around exotic compact objects
• Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole
• Scalar Perturbation Around Rotating Regular Black Hole: Superradiance Instability and Quasinormal Modes
• Black Holes as Fermion Factories
• Probing Massive Fields with Multi-Band Gravitational-Wave Observations
• Black holes immersed in polytropic scalar field gas
• Constrains of the axion-like particle from black hole spin superradiance
• Analytical Study of a Kerr-Sen Black Hole and a Charged Massive Scalar Field
• Stability of warped AdS3 black holes in Topologically Massive Gravity under scalar perturbations
• Duality between Seiberg-Witten Theory and Black Hole Superradiance
• Detecting the massive vector field with extreme mass-ratio inspirals
• Next-to-leading-order solution to Kerr-Newman black hole superradiance
• Massive vector field perturbations on extremal and near-extremal static black holes
• Self-interacting scalar field distributions around Schwarzschild black holes
• Massive Scalar Perturbation of Extremal Rotating Braneworld Black hole: Superradiant Stability Analysis
• Black holes and fundamental fields: hair, kicks and a gravitational "Magnus" effect
• Quasibound state reminiscent in de-Sitter black holes: Quasinormal modes and the decay of massive fields
• Gravitational waves in massive gravity: Waveforms generated by a particle plunging into a black hole and the excitation of quasinormal modes and quasibound states
• Superradiant Instability of Extremal Black Holes in STU Supergravity
• Boson star superradiance with spinning effects and in time domain
• Fundamental Physics and Cosmology with TianQin
• A way to distinguish very compact stellar objects from black holes
• Ultralight boson constraints from gravitational wave observations of spinning binary black holes
• Massive scalar field perturbations of 4D de Sitter Einstein-Gauss-Bonnet black holes
• Tidal Love numbers of gravitational atoms
• Methodology for constraining ultralight vector bosons with gravitational wave searches targeting merger remnant black holes
• Massive tensor field perturbations on extremal and near-extremal static black holes
• Slowly rotating black holes and their scalarization
• Complete quasinormal modes of Type-D black holes
• Super-radiance and flux conservation
• Superradiance of rotating black holes surrounded by dark matter
• On the Interaction between Ultralight Bosons and Quantum-Corrected Black Holes
• Self-interaction effects on the Kerr black hole superradiance and their observational implications
• Black holes and nilmanifolds: quasinormal modes as the fingerprints of extra dimensions?
• Conditions for superradiant instability of the Kerr-Newman black holes
• Superradiant stability of Mutated Reissner-Nordström black holes
• Quasibound states of the Dirac field in Schwarzschild and Reissner-Nordström black hole backgrounds
• Charged superradiant instability in a spherical regular black hole
• Axion Cloud Decay due to the Axion-photon Conversion with Background Magnetic Fields
• Gravitational atoms beyond the test field limit: The case of Sgr A* and ultralight dark matter
• Marginally stable resonant modes of the polytropic hydrodynamic vortex
• Probing Particle Physics with Gravitational Waves
• Scalar tachyonic instabilities in gravitational backgrounds: Existence and growth rate
• Vortices without inflow: bound spectra in horizonless rotational analogs
• Black-hole hair from vector dark matter accretion
• On the Schwarzschild-Anti-de Sitter black hole with an f(R) global monopole
• Scalar fields around black hole binaries in LIGO-Virgo-KAGRA
• Dynamics of scalar hair with self-interactions around a Schwarzchild black hole
• Revisiting superradiant stability of Kerr-Newman black holes under a charged massive scalar
• Dark Matter reconstruction from stellar orbits in the Galactic Centre
• Gravitational waves from superradiant instabilities of rotating black holes
• Self-Gravity in Superradiance Clouds: Implications for Binary Dynamics and Observational Prospects
• Hidden conformal symmetries for black holes in modified gravity
• Evolution and detection of vector superradiant instabilities
• Parametric-resonance based phenomenology of gravitating axion configurations
• Spin Interaction under the Collision of Two Kerr-(anti-)de Sitter Black Holes
• Stability study of a model for the Klein-Gordon equation in Kerr spacetime
• Hawking Radiation of Nonrelativistic Scalars: Applications to Pion and Axion Production
• Overdamped quasibound states inside a Schwarzschild black hole
• Superradiant instability in slowly rotating Kerr-Newman black holes
• Extremal Charged Black Holes and Superradiantly Unstable Quasinormal Modes
• Stability of black holes in f(R) gravity
• ALP production from light primordial black holes: The role of superradiance
• Superradiant instability of extremal brane-world Reissner-Nordström black holes to charged scalar perturbations
• Scalar field dynamics around black holes: superradiant instabilities and binary evolution
• Dynamical friction from scalar dark matter in the relativistic regime
• Quasinormal Mode Spectroscopy via Horizon-Brightened Quantum Optics
• Co-interacting dark matter and conformally coupled light scalars
• Fundamental fields around compact objects: Massive spin-2 fields, Superradiant instabilities and Stars with dark matter cores
• Boson Cloud Atlas: Direct mass measurements of superradiance clouds near black holes
• Stable long-term evolution in numerical relativity
• Nonlinear Evolution of unstable Charged de Sitter Black Holes with Hyperboloidal Formalism
• Renormalization group analysis of superradiant growth of self-interacting axion cloud
• Superradiant dark matter production from primordial black holes: Impact of multiple modes and gravitational wave emission
• Quasibound states of analytic black-hole configurations in three and four dimensions
• The Stochastic Gravitational Wave Background from Primordial Gravitational Atoms
• Local Group Velocity Distribution inside Superradiant Condensates
• Scalarization and superradiant instability of black hole induced by dark matter halo in the scalar-tensor theory of gravity
• Superradiant instability of the Kerr brane
• Scalar Clouds and Quasinormal Modes
• Stability study of a model for the Klein-Gordon equation in Kerr space-time II
• Probing Quantum Gravity in Stellar Spacetimes: Phenomenological Insights
• Planar domain walls in black hole spacetimes
• Spacetime of rotating black holes surrounded by massive scalar charges
• Spin-Induced Nonlinear Scalarization of Kerr Black Holes in Einstein-scalar-Gauss-Bonnet Gravity
• Trails of clouds in binary black holes
• Exact Regions of Superradiant Instability of Kerr-Newman Black Holes and Massive Scalar Fields
• No-bomb theorem for charged Reissner-Nordstrom black holes
• Superradiance and Quasinormal Modes of Massive Scalar Fields around Kerr Black Holes in Einstein-Maxwell-Dilaton-Axion Theory with Perfect Fluid Dark Matter
• Quasinormal-mode analysis of a massive scalar field in a Schwarzschild background via the spectral method
• Ring formation from black hole superradiance through repeated particle production on bound orbits
• On the effect of scalar fields on Hawking radiation and quasinormal modes of black holes
• Charged black holes in de Sitter space: superradiant amplification of charged scalar waves and resonant hyperradiation
• The Role of the Schwinger Effect in Superradiant Axion Lasers
• Effect of accretion on scalar superradiant instability
• Plasma-photon interaction in curved spacetime II: collisions, thermal corrections, and superradiant instabilities
• Linear stability of charged warm holes
• Acoustic horizons and the Hawking effect in polariton fluids of light
• Charged Superradiant Instability of Spherically Symmetric Regular Black Holes in de Sitter Spacetime: Time- and Frequency-Domain Analysis
• Relativistic frequency shifts in gravitational waves from axion clouds