Extreme Mass Ratio Inspirals in Light of Quasi-periodic Eruptions: Milli-Hertz Gravitational Wave Background

arXiv:2606.27661 · astro-ph.HE, gr-qc · Submitted 2026-06-26 · Read on arXiv

astro-ph.HE, gr-qc

Submitted: 2026-06-26

Updated: 2026-08-26

Comments: 9 pages, 2 figures, and comments are welcome!

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• AGN — 4× in this paper · explained in 1 episode
• Laser Interferometer Space Antenna — 3× in this paper
• Stochastic Gravitational Wave Background (SGWB) — 3× in this paper · explained in 3 episodes
• Ablation — 2× in this paper · explained in 1 episode

Sources

• Discovery of Quasi-periodic Eruptions in the Tidal Disruption Event and Extreme Coronal Line Emitter AT2022upj: implications for the QPE/TDE fraction and a connection to ECLEs
• A Torus Remnant Revealed by the Infrared Echo of Tidal Disruption Event AT 2019qiz: Implications for the Missing Energy and Quasiperiodic Eruption Formation
• Quasi-periodic Eruptions from Stellar-mass Black Holes Impacting Accretion Disks in Galactic Nuclei
• Resolving Oblique Star-Disk Collisions in Quasi-Periodic Eruptions: Numerical Requirements and the Importance of Geometry
• Secular evolution of quasi-periodic eruptions
• Prospects for EMRI/MBH parameter estimation using Quasi-Periodic Eruption timings: short-timescale analysis
• Evolution of Quasi-Periodic Eruptions in the post-TDE Accretion Disk Perturbed by an Orbiting Star
• Two-body relaxation in the EMRI-TDE disk model for Quasi Periodic Eruptions
• Laser Interferometer Space Antenna
• Multi-band Emission from Star-Disk Collision and Implications for Quasi-Periodic Eruptions
• Radiation-hydrodynamics of star-disc collisions for quasi-periodic eruptions
• Perturbing AGN Accretion Disks with Stars and Moderately Massive Black Holes: Implications for Changing-Look AGN and Quasi-Periodic Eruptions
• Black hole-accretion disk collision in general relativity: Axisymmetric simulations
• Probing Formation Channels of Extreme Mass-Ratio Inspirals
• Captured are circularized: A relativistic treatment of extreme mass ratio inspirals crossing accretion disks

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