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Black Hole Perturbation Toolkit

@bhptoolkit.bsky.social
248 followers 2 following 67 posts

The Black Hole Perturbation Toolkit brings together software and data relating to black hole perturbation theory. bhptoolkit.org. An extensive list of papers that have used the BHPToolkit can be found here: bhptoolkit.org/users.html

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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 29/01/2026
Recent paper the cites the BHPToolkit: "Spiral Density Waves and Torque Balance in the Kerr Geometry" by Conor Dyson, Daniel J. D'Orazio, arxiv.org/abs/2601.19123.
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 09/01/2026
First paper of 2026 to cite the BHPToolkit: "Constants of motion in gravitational self-force theory" by David Trestini, Zachary Nasipak, Adam Pound, arxiv.org/abs/2601.05223
arxiv.org
Constants of motion in gravitational self-force theory
Synergies between self-force theory and other approaches to the gravitational two-body problem have traditionally relied on calculations of gauge-invariant observables as functions of orbital frequenc...
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/12/2025
Paper on the arXiv today that cites the BHPToolkit: "Gravitational radiation from hyperbolic orbits: comparison between self-force, post-Minkowskian, post-Newtonian, and numerical relativity results" by Niels Warburton, arxiv.org/abs/2512.02274
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 10/11/2025
Recent paper the cites the BHPToolk: "A-BHPT-toolkit: Analytic Black Hole Perturbation Theory Package for Gravitational Scattering Amplitudes" by Jovan Markovic, Mikhail M. Ivanov, arxiv.org/abs/2511.04765
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 28/10/2025
Paper on the arXiv today that cites the BHPToolkit: "Eccentric extreme-mass-ratio inspirals: a new window into ultra-light vector fields" by Tieguang Zi, Fu-Wen Shu, arxiv.org/abs/2510.22275
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 28/10/2025
Recent paper the cites the BHPToolkit: "Ab uno disce omnes: Single-harmonic search for extreme mass-ratio inspirals" by Lorenzo Speri, Rodrigo Tenorio, Christian Chapman-Bird, Davide Gerosa, arxiv.org/abs/2510.20891
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 22/10/2025
The third was: "Hybrid waveform model for asymmetric spinning binaries: Self-force meets post-Newtonian theory" by Loïc Honet, Adam Pound, Geoffrey Compère, arxiv.org/abs/2510.16114
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 22/10/2025
The second is "Post-adiabatic self-force waveforms: slowly spinning primary and precessing secondary" by Josh Mathews, Barry Wardell, Adam Pound, Niels Warburton, arxiv.org/abs/2510.16113
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 22/10/2025
Three papers from the Multiscale Self-Force (MSF) collaboration on the arXiv yesterday that made use of the BHPToolkit. The first was "Spin-aligned inspiral waveforms from self-force and post-Newtonian theory" by Loïc Honet et al. arxiv.org/abs/2510.16112
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 18/10/2025
Recent paper that cites the BHPToolkit: "Black hole mergers beyond general relativity: a self-force approach" by Ayush Roy, Lorenzo Küchler, Adam Pound, Rodrigo Panosso Macedo, arxiv.org/abs/2510.11793
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 17/10/2025
This paper uses our Teukolsky package to compute fluxes and amplitudes for a particle on a circular orbit around a Kerr black hole. bhptoolkit.org/Teukolsky/
bhptoolkit.org
Black Hole Perturbation Toolkit
Open tools for black hole perturbation theory
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 17/10/2025
Paper on the arXiv today that uses the BHPToolkit: "Transition-to-plunge self-force waveforms with a spinning primary" by Loïc Honet, Lorenzo Küchler, Adam Pound, Geoffrey Compère, arxiv.org/abs/2510.13958
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 16/10/2025
Recent paper the cites the BHPToolkit: "Hybridization of second-order gravitational self-force and numerical relativity waveforms for quasi-circular and non-spinning black hole binaries" by Hector Iglesias, Leanne Durkan, Deirdre Shoemaker, arxiv.org/abs/2510.11685
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 13/10/2025
Paper on the arXiv today that cites the BHPToolkit: "Particles with precessing spin in Kerr spacetime: analytic solutions for eccentric orbits and homoclinic motion near the equatorial plane" by Gabriel Andres Piovano, arxiv.org/abs/2510.09597
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 07/10/2025
Paper on the arXiv today that cites the BHPToolkit: "A relativistic treatment of accretion disk torques on extreme mass ratio inspirals around spinning black holes" by Abhishek Hegade K.R., Charles F. Gammie, Nicolás Yunes, arxiv.org/abs/2510.03564
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/10/2025
The research used the GremlinEq code for solving the Teukolsky equation sourced by a small body orbiting on a circular orbit around a Kerr black hole. bhptoolkit.org/GremlinEq/
bhptoolkit.org
Black Hole Perturbation Toolkit
Open tools for black hole perturbation theory
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/10/2025
Recent paper the cites the BHPToolkit: "Consistency of spin effects between numerical relativity and perturbation theory for inspiraling comparable-mass black hole binaries" by Tousif Islam, Gaurav Khanna, Scott E. Field, arxiv.org/abs/2510.00531
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 29/09/2025
The paper makes use of our PostNewtonianSelfForce package which stores a large number of high-order PN series. bhptoolkit.org/PostNewtonia...
bhptoolkit.org
Black Hole Perturbation Toolkit
Open tools for black hole perturbation theory
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 29/09/2025
Recent paper that cites the BHPToolkit: "A relativistic treatment of accretion disk torques on extreme mass-ratio inspirals around non-spinning black holes" by Abhishek Hegade K. R., Charles F. Gammie, Nicolás Yunes, arxiv.org/abs/2509.20457
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 16/09/2025
Recent paper the cites the BHPToolkit: "Systematic errors in fast relativistic waveforms for Extreme Mass Ratio Inspirals" by Hassan Khalvati, Philip Lynch, Ollie Burke, Lorenzo Speri, Maarten van de Meent, Zachary Nasipak, arxiv.org/abs/2509.08875
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 15/09/2025
This package complements the Python qnm package in the BHPToolkit: github.com/BlackHolePer...
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 15/09/2025
We are please to announce the release of a new Mathematica package for computing quasi-normal modes. The new QNM package can be found here: bhptoolkit.org/QNM-Mathemat.... The package computes both the QNM frequencies and the associated radial functions.
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 13/09/2025
If you click on the right plot in Fig. 1 you get a very cool animated version: zenodo.org/records/1438...
zenodo.org
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 13/09/2025
Recent paper the cites the BHPToolkit: "Resonance in black hole ringdown: Benchmarking quasinormal mode excitation and extraction" by Kei-ichiro Kubota, Hayato Motohashi, arxiv.org/abs/2509.06411
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 29/08/2025
This paper makes use of the KerrGeoPy Python package, which was developed by Seyong Park and @zastropak.bsky.social. For details see github.com/BlackHolePer...
github.com
GitHub - BlackHolePerturbationToolkit/KerrGeoPy: Python library for computing properties of stable and plunging orbits around a spinning black hole
Python library for computing properties of stable and plunging orbits around a spinning black hole - BlackHolePerturbationToolkit/KerrGeoPy
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 29/08/2025
arXiv paper today that cites the BHPToolkit: "Prospects for EMRI/MBH parameter estimation using Quasi-Periodic Eruption timings: short-timescale analysis" by Joheen Chakraborty et al. arxiv.org/abs/2508.20162
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 21/08/2025
With this addition there are at least 225 papers that cite the BHPToolkit: bhptoolkit.org/users.html
bhptoolkit.org
Black Hole Perturbation Toolkit
Open tools for black hole perturbation theory
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 21/08/2025
Recent paper the cites the BHPToolkit: "Emergent Turbulence in Nonlinear Gravity" by Sizheng Ma, Luis Lehner, Huan Yang, Lawrence E. Kidder, Harald P. Pfeiffer, Mark A. Scheel, arxiv.org/abs/2508.13294
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 04/08/2025
ArXiv paper today that cites the BHPToolkit: "Effective source for second-order self-force calculations: quasicircular orbits in Schwarzschild spacetime" by Samuel D. Upton, Barry Wardell, Adam Pound, Niels Warburton, Leor Barack, arxiv.org/abs/2508.00087
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/08/2025
Recent paper that cites the BHPToolkit: "Gravitational Wave Peep Contributions to Background Signal Confusion Noise for LISA" by Daniel J Oliver, Aaron D Johnson, Lena Janssen, Joel Berrier, Kostas Glampedakis, Daniel Kennefick, arxiv.org/abs/2507.19704
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/08/2025
Recent paper the cites the BHPToolkit: "Towards relativistic inspirals into black holes surrounded by matter" by Lukáš Polcar, Vojtěch Witzany, arxiv.org/abs/2507.15720
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/08/2025
Recent paper the cites the BHPToolkit: "A New High-Performing Method for Solving the Homogeneous Teukolsky Equation" by Ye Jiang, Wen-Biao Han, arxiv.org/abs/2507.15363
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/08/2025
Recent paper the cites the BHPToolkit: "Post-adiabatic waveforms from extreme mass ratio inspirals in the presence of dark matter" by Mostafizur Rahman, Takuya Takahashi, arxiv.org/abs/2507.06923
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/08/2025
The high-order PN series from this work have been added to the PostNewtonianSelfForce package: bhptoolkit.org/PostNewtonia...
bhptoolkit.org
Black Hole Perturbation Toolkit
Open tools for black hole perturbation theory
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/08/2025
Recent paper that cites the BHPToolkit: "Post-Newtonian expansion of fluxes from a scalar charge on an inclined-spherical orbit about a Kerr black hole" by Jezreel C. Castillo, Charles R. Evans, Chris Kavanagh, Jakob Neef, Barry Wardell, Adrian Ottewill, arxiv.org/abs/2507.07303
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 03/08/2025
Recent paper that cites the BHPToolkit: "Peaking into the abyss: Characterizing the merger of equatorial-eccentric-geodesic plunges in rotating black holes" by Guglielmo Faggioli, Maarten van de Meent, Alessandra Buonanno, Gaurav Khanna, arxiv.org/abs/2507.05870
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 29/06/2025
Recent arXiv paper the cites the BHPToolkit: "Spherical inspirals of spinning bodies into Kerr black holes" by Viktor Skoupý, Gabriel Andres Piovano, Vojtěch Witzany, arxiv.org/abs/2506.20726
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 21/06/2025
arXiv paper the cites the BHPToolkit: "Complete quasinormal modes of Type-D black holes" by Changkai Chen, Jiliang Jing, Zhoujian Cao, Mengjie Wang, arxiv.org/abs/2506.14635
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 19/06/2025
Paper on the arXiv today that cites the BHPToolkit: "Gravitational waves from b-EMRIs: Doppler shift and beaming, resonant excitation, helicity oscillations and self-lensing" by João S. Santos, Vitor Cardoso, José Natário, Maarten van de Meent, arxiv.org/abs/2506.14868
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 12/06/2025
Paper that cites and adds to the BHPToolkit: "The Fast and the Frame-Dragging: Efficient waveforms for asymmetric-mass eccentric equatorial inspirals into rapidly-spinning black holes" by Christian E. A. Chapman-Bird et al. arxiv.org/abs/2506.09470
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 12/06/2025
Recent paper that cites the BHPToolkit: "Quasinormal modes in Kerr spacetime as a 2D Eigenvalue problem" by Jamil Assaad, Rodrigo Panosso Macedo, arxiv.org/abs/2506.04326
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 04/06/2025
Paper on the arXiv today that uses the BHPToolkit: "Self-force framework for merger-ringdown waveforms" by Lorenzo Küchler, Geoffrey Compère, Adam Pound, arxiv.org/abs/2506.02189
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 02/06/2025
Review paper on the arXiv today that cites the BHPToolkit: "Black hole spectroscopy: from theory to experiment" by Emanuele Berti et al. arxiv.org/abs/2505.23895
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 27/05/2025
Recent paper the cites the BHPToolkit: "Resonant DM scattering in the galactic center under the influence of EMRI", Takafumi Kakehi, Hidetoshi Omiya, Takuya Takahashi, Takahiro Tanaka, arxiv.org/abs/2505.10036
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 14/05/2025
arXiv paper today that cites the BHPToolkit: "Universal Waveforms for Extreme Mass-Ratio Inspiral" by Ilan Strusberg, Barak Rom, Re'em Sari, arxiv.org/abs/2505.07941
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 14/05/2025
Recent paper the cites the BHPToolkit: "Extreme mass ratio inspirals in rotating dark matter spikes" by Soumodeep Mitra, Nicholas Speeney, Sumanta Chakraborty, Emanuele Berti, arxiv.org/abs/2505.04697
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 19/03/2025
Recent arXiv paper that cites the BHPToolkit: “Korteweg-de Vries Integrals for Modified Black Hole Potentials: Instabilities and other Questions” by Michele Lenzi, Arnau Montava Agudo, Carlos F. Sopuerta, arxiv.org/abs/2503.09918
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 17/03/2025
ArXiv paper today that cites the BHPToolkit: "Superconvergent Discontinuous Galerkin Method for the Scalar Teukolsky Equation on Hyperboloidal Domains: Efficient Waveform and Self-Force Computation" by Manas Vishal, Scott E. Field, Sigal Gottlieb, Jennifer Ryan, arxiv.org/abs/2503.11523
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 12/03/2025
Recent paper the cites the BHPToolkit: "Quadratic quasinormal modes at null infinity on a Schwarzschild spacetime" by Patrick Bourg, Rodrigo Panosso Macedo, Andrew Spiers, Benjamin Leather, Bonga Béatrice, Adam Pound, arxiv.org/abs/2503.07432
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Black Hole Perturbation Toolkit @bhptoolkit.bsky.social · 12/03/2025
Recent paper the cites the BHPToolkit: :"Signatures of Quantum Gravity in Gravitational Wave Memory" by Nils Deppe and collaborators, arxiv.org/abs/2502.20584
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