Stochastic gravitational-wave background from self-interacting superradiant clouds

arXiv:2609.33596 · gr-qc, astro-ph.HE, hep-ph · Submitted 2026-09-27 · Read on arXiv

gr-qc, astro-ph.HE, hep-ph

Submitted: 2026-09-27

Updated: 2026-10-08

Code: https://github.com/zuchengchen/GWSC.jl

Terminology

• Superradiance — 6× in this paper · explained in 3 episodes
• Core — 2× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Cosmic Explorer — 1× in this paper
• Einstein Telescope — 1× in this paper
• Laser Interferometer Gravitational-Wave Observatory — 1× in this paper
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes

Sources

• Observation of Gravitational Waves from a Binary Black Hole Merger
• GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs
• GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run
• GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run
• GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run
• GWTC-4.0: Updating the Gravitational-Wave Transient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run
• GWTC-5.0: Observations from the Second Part of the Fourth LIGO-Virgo-KAGRA Observing Run and Updates to the Gravitational-Wave Transient Catalog
• Stochastic Gravitational Wave Backgrounds
• Superradiant Instability and Backreaction of Massive Vector Fields around Kerr Black Holes
• Kerr black holes with synchronised hair: an analytic model and dynamical formation
• Effect of accretion on scalar superradiant instability
• Instability of the massive Klein-Gordon field on the Kerr spacetime
• Black holes as particle detectors: evolution of superradiant instabilities
• Superradiance -- the 2020 Edition
• Exploring the String Axiverse with Precision Black Hole Physics
• Gravitational radiation from an axion cloud around a black hole: Superradiant phase
• Probing the string axiverse by gravitational waves from Cygnus X-1
• Discovering the QCD Axion with Black Holes and Gravitational Waves
• Black Hole Mergers and the QCD Axion at Advanced LIGO

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