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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Recent paper the cites the BHPToolkit: :"Signatures of Quantum Gravity in Gravitational Wave Memory" by Nils Deppe and collaborators, arxiv.org/abs/2502.20584

The 🎉200th paper 🎉 that cites the BHPToolkit: "Lensing and wave optics in the strong field of a black hole" by Juno C. L. Chan, Conor Dyson, Matilde Garcia, Jaime Redondo-Yuste, Luka Vujeva, arxiv.org/abs/2502.14073

A new major update to the Teukolsky package has been released (version 1.1.0). A major new feature the the ability to PN expand various Teukolsky radial functions (contribution from Jakob Neef)

New arXiv paper that cites the BHPToolkit: "Environmental effects in extreme mass ratio inspirals: perturbations to the environment in Kerr" by Conor Dyson, Thomas F.M. Spieksma, Richard Brito, Maarten van de Meent, Sam Dolan, arxiv.org/abs/2501.09806

The PostNewtonianSelfForce Mathematica package has been updated to version 0.5.0. This update includes new series for the GW memory from arxiv.org/abs/2410.23950 and the flux from spherical orbits from arxiv.org/abs/2411.09700. Package update instructions at: bhptoolkit.org/mathematica-...

Recent paper that cites the BHPToolkit: "Monodromy eigenvalues of the radial Teukolsky equation and their connection to the renormalized angular momentum" by Zachary Nasipak, arxiv.org/abs/2412.06503

First arXiv paper of 2025 that cites the BHPToolkit: "Post-adiabatic waveform-generation framework for asymmetric precessing binaries", Josh Mathews, Adam Pound, arxiv.org/abs/2501.01413

Recent paper that cites the BHPToolkit: "Ringdown of a postinnermost stable circular orbit of a rapidly spinning black hole: Mass ratio dependence of higher harmonic quasinormal mode excitation" by Daiki Watarai, arxiv.org/abs/2408.167...

New paper the cites the BHPToolkit: "Analytic solution for the motion of spinning particles in Kerr space-time" by Viktor Skoupý, Vojtěch Witzany, arxiv.org/abs/2411.16855

New paper the cites the BHPToolkit: "Gravitational self-force with hyperboloidal slicing and spectral methods" by Benjamin Leather, arxiv.org/abs/2411.14976

The Black Hole Perturbation Toolkit is now on Blue Sky! If you want to make calculations using black hole perturbation theory there is probably a useful code or dataset in the BHPToolkit for you.

New paper today that cites the BHPToolkit: "Post-Newtonian expansion of energy and angular momentum fluxes: inclined spherical orbits about a Kerr black hole" by Jezreel C. Castillo, Charles R. Evans, Chris Kavanagh, Jakob Neef, Adrian Ottewill, Barry Wardell, arxiv.org/abs/2411.09700

Recent paper the cites the BHPToolkit: "A note on the conversion of orbital angles for extreme mass ratio inspirals" by Philip Lynch @physlynch.bsky.social and Ollie Burke, arxiv.org/abs/2411.04955

The Black Hole Perturbation Toolkit is now on Blue Sky! If you want to make calculations using black hole perturbation theory there is probably a useful code or dataset in the BHPToolkit for you.