Papers – Making Sense of the Unexpected in the Gravitational-Wave Sky

2026

N. Gupte, M. Coleman Miller, R. Udall, S. Bini, A. Buonanno, J. Gair, A. Gamboa, L. Pompili, A. Ramos-Buades, M. Dax, et al., Eccentricity constraints disfavor single-single capture in nuclear star clusters as the origin of all LIGO-Virgo-KAGRA binary black holes, https://arxiv.org/abs/2603.29019
G. Faggioli, A. Buonanno, M. van de Meent, G. Khanna, Modeling the merger-ringdown of an eccentric test-mass inspiral into a Kerr black hole using the effective-one-body framework, https://arxiv.org/abs/2603.19913
N. Nishimura, A. Buonanno, G. Faggioli, M. van de Meent, G. Khanna, Advancing the Effective-One-Body Framework in the Test-Mass Limit, https://arxiv.org/abs/2603.05601
E. Berti, M. Branchesi, A. Buonanno, A. Corsi, D. J. D’Orazio, J. Harms, J. M. Hogan, F. Iacovelli, K. Jan, M. Kamionkowski, deci-Hz Gravitational Wave Observations on the Moon and Beyond, https://arxiv.org/abs/2602.05923
D. Laghi, N. Tamanini, A. Sesana, J. Gair, E. Barausse, C. Caprini, W. Del Pozzo, A. Mangiagli, S. Marsat, Reducing cosmological degeneracies by combining multiple classes of LISA gravitational-wave standard sirens, preprint, https://arxiv.org/abs/2603.23612
L. Capuano, L. A. Saló, D. D. Doneva, S. S. Yazadjiev, E. Barausse, Dynamical hair growth in black hole binaries in Einstein-scalar-Gauss-Bonnet gravity, preprint, https://arxiv.org/abs/2602.02650
G. Morras, G. Pratten, P. Schmidt, A. Buonanno, Post-Newtonian inspiral waveform model for eccentric precessing binaries with higher-order modes and matter effects, https://arxiv.org/abs/2604.11903
G. Brunello, M. Mandal, P. Mastrolia, R. Patil, M. Pegorin, S. Smith, J. Steinhoff, All-order structure of static gravitational interactions and the seventh post-Newtonian potential, https://arxiv.org/abs/2604.11903
L. Barack, R. Gonzo, B. Leather, O. Long, N. Warburton, Resummed energy loss in extreme-mass-ratio scattering using critical orbits, https://doi.org/10.1103/pxzz-dl2b
A. Vaswani, L. Barack, O. Long, R. Panosso Macedo, Time-domain framework for the Teukolsky equation with a particle source using comoving hyperboloidal coordinates, https://arxiv.org/abs/2606.26339
Z. Bern, A. Jackman, G. Mansfield and M. S. Ruf,Classical Gravitational Scattering from the Ultraviolet and the Absence of Calabi-Yau Integrals in the Conservative Sector at O(G^5), https://arxiv.org/abs/2603.15383
M. Saavedra, The Classical Gravitational Impulse at High Energies, https://arxiv.org/abs/2605.18544
M.P. Solon, Universal Closed Form for Dynamical Love Numbers of Black Holes, https://arxiv.org/abs/2606.19281
D. Kosmopoulos, D. Perrone and M. Solon, Dynamical Love Numbers for Black Holes and Beyond from Shell Effective Field Theory, Phys. Rev. Lett. 136 (2026) no.21, 211401, https://doi.org/10.1103/mtqm-xz2k
M. Cocco, G. Grignani, T. Harmark, M. Orselli, D. Pereñiguez,M. van de Meent, Tidal perturbations of an extreme mass ratio inspiral around a Kerr black hole, Class.Quant.Grav. 43 (2026) 14, 145005, https://doi.org/10.1088/1361-6382/ae80b6
J.S. Santos, V. Cardoso, A. Luspsasca, J Natario, M. van de Meent, Resonances in b-EMRIs: playing the black hole piano, Phys.Rev.D 113 (2026) 6, 064025, https://doi.org/10.1103/7qjn-jl4n
P. Lynch, A. Buonanno, M. van de Meent, Efficient Eccentric Effective-One-Body Dynamics via Near-Identity Averaging Transformations, https://arxiv.org/abs/2606.30594
A. Ribes Metidieri, B. Bonga, B. Krishnan, J.L. Jaramillo, Universality in the Transition from Inspiral to Plunge: High-Accuracy Analytic Solutions and Catastrophe Theory, https://arxiv.org/abs/2606.13786

2025

A. Kofler, M. Dax, S. R. Green, J. Wildberger, N. Gupte, J. H. Macke, J. Gair, A. Buonanno, B. Schölkopf, Flexible Gravitational-Wave Parameter Estimation with Transformers, https://arxiv.org/abs/2512.02968
M. Piarulli, S. Marsat, E. M. Sänger, A. Buonanno, J. Steinhoff, N. Tamanini, A Parametrized Test of General Relativity for LISA Massive Black Hole Binary Inspirals, Physical Review D 112, 124044, https://doi.org/10.1103/59zd-qvbd
G. Faggioli, M. van de Meent, A. Buonanno, G. Khanna, Peaking into the abyss: Characterizing the merger of equatorial-eccentric-geodesic plunges in rotating black holes, Physical Review D 112, 084009, https://doi.org/10.1103/xq3j-4jtx
H. Estellés, A. Buonanno, R. Enficiaud, C. Foo, L. Pompili, Adding equatorial-asymmetric effects for spin-precessing binaries into the SEOBNRv5PHM waveform model, Physical Review D 113, 044049, https://doi.org/10.1103/pjbd-pjxn
B. Leather, A. Buonanno, M. van de Meent, Inspiral-merger-ringdown waveforms with gravitational self-force results within the effective-one-body formalism, Physical Review D 112, 044012, https://doi.org/10.1103/6qc3-xn17
M. Piarulli, S. Marsat, E. M. Sänger, A. Buonanno, J. Steinhoff, N. Tamanini, A Parametrized Test of General Relativity for LISA Massive Black Hole Binary Inspirals, Physical Review D 112, 124044, https://doi.org/10.1103/59zd-qvbd
S. Kejriwal, E. Barausse, A. J. K. Chua, Hierarchical modeling of gravitational-wave populations for disentangling environmental and modified-gravity effects, Physical Review D 113 (6), 064001, https://doi.org/10.1103/rnvp-jbj4
S. M. Tomson, B. Goncharov, R. van Haasteren, R. Srinivasan, E. Barausse, Y. Wen, J. Wang, J. Antoniadis, N. D. R. Bhat, Z. Chen, et al., Search for Gravitational-wave Memory in PPTA and EPTA Data: A Complete Signal Model, Astrophysical Journal Letters 996, L9 (2026), https://doi.org/10.3847/2041-8213/ae2912
R. Srinivasan, E. Barausse, N. Korsakova, R. Trotta, Simulation-based population inference of LISA’s Galactic binaries: Bypassing the global fit, Physical Review D 112, 103043, https://doi.org/10.1103/shym-w46f
L. Capuano, M. Vaglio, R. S. Chandramouli, C. Pitte, A. Kuntz, E. Barausse, Systematic bias in LISA ringdown analysis due to waveform inaccuracy, Physical Review D 112, 104031, https://doi.org/10.1103/86yd-x1sl
R. Chen, R. S. Chandramouli, F. Pozzoli, R. Buscicchio, E. Barausse, Environmental effects in the LISA stochastic signal from stellar-mass black hole binaries, Physical Review D 112, 084053 (2025), https://doi.org/10.1103/w61d-3jk5
L. Copparoni, R. S. Chandramouli, E. Barausse, When vacuum breaks: a self-consistency test for astrophysical environments in extreme mass ratio inspirals, preprint, https://arxiv.org/abs/2510.06948
A. Toubiana, L. Sberna, M. Volonteri, E. Barausse, S. Babak, R. Enficiaud, D. Izquierdo–Villalba, J. R. Gair, J. E. Greene, H. Quelquejay Leclere, Reconciling PTA and JWST and preparing for LISA with POMPOCO: a Parametrisation Of the Massive black hole POpulation for Comparison to Observations, Astronomy & Astrophysics 700, A135 (2025), https://doi.org/10.1051/0004-6361/202453027
M. Vaglio, M. Falxa, G. Mentasti, A. I. Renzini, A. Kuntz, E. Barausse, C. Contaldi, A. Sesana, Searching for Gravitational Waves with Gaia and its Cross-Correlation with PTA: Absolute vs Relative Astrometry, preprint, https://arxiv.org/abs/2507.18593
L. Copparoni, L. Speri, L. Sberna, A. Derdzinski, E. Barausse, The implications of stochastic gas torques for asymmetric binaries in the LISA band, Physical Review D 111, 104079, https://doi.org/10.1103/PhysRevD.111.104079
M. Alaverdian, Z. Bern, D. Kosmopoulos, A. Luna, R. Roiban, T. Scheopner and F. Teng, Conservative Spin-Magnitude Change in Orbital Evolution in General Relativity, Phys. Rev. Lett. 134 (2025) no.10, 101602, https://doi.org/10.1103/PhysRevLett.134.101602
M. Alaverdian, Z. Bern, D. Kosmopoulos, A. Luna, R. Roiban, T. Scheopner and F. Teng, Observables and unconstrained spin tensor dynamics in general relativity from scattering amplitudes, JHEP 12 2025, 054, https://doi.org/10.1007/JHEP12(2025)054
Z. Bern, E. Herrmann, R. Roiban, M. S. Ruf, A. V. Smirnov, V. A. Smirnov and M. Zeng, Second-Order Self-Force Potential-Region Binary Dynamics at O(G^5) in Supergravity, Phys. Rev. Lett. 136 (2026) no.8, 081401, https://doi.org/10.1103/jmby-htz9
Z. Bern, E. Herrmann, R. Roiban, M. S. Ruf, A. V. Smirnov, S. Smith and M. Zeng, Scattering Amplitudes and Conservative Binary Dynamics at O(G5) without Self-Force Truncation, Phys. Rev. Lett. 137 (2026) no.2, 021402, https://doi.org/10.48550/arXiv.2512.23654
M. Correia, T. Gopalka, G. Isabella and A. M. Wolz, Analyticity of the Black Hole S-Matrix, https://arxiv.org/abs/2511.11794
M. Correia, H. S. Hannesdottir, G. Isabella, A. M. Wolz and Z. Zhou, Gravitational Physics from Scattering Amplitudes, Lect. Notes Phys. 1041 (2025), 259-308, https://doi.org/10.48550/arXiv.2412.11649
L. Honet, J. Matthews, G. Compère, A. Pound, B. Wardell, G.A. Piovano, M. van de Meent, N. Warburton, Spin-aligned inspiral waveforms from self-force and post-Newtonian theory, https://arxiv.org/abs/2510.16112
H. Khalvati, P. Lynch, O. Burke, L. Speri, M. van de Meent, Z. Nasipak, Systematic errors in fast relativistic waveforms for extreme mass ratio inspirals, Phys.Rev.D 113 (2026) 8, 084042, https://doi.org/10.1103/4ly7-zn15
J.S. Santos, V. Cardoso, J. Natario, M. van de Meent, Gravitational Waves from Binary Extreme Mass Ratio Inspirals: Doppler Shift and Beaming, Resonant Excitation, Helicity Oscillations, and Self-Lensing, Phys.Rev.Lett. 135 (2025) 21, 211402, https://doi.org/10.1103/qq3m-6phh