AM
Ajit Kumar Mehta
gr-qcastro-ph.HEastro-ph.COastro-ph.IMastro-ph.GAcs.AIhep-phhep-thcs.LGnucl-th
On Valency
published · living versionsW_h2j8d3pw·v1 · currentpublished
Searching for lensed gravitational waves with unlensed templates
with Digvijay Wadekar, Barak Zackay, Mark Ho-Yeuk Cheung, Tousif Islam +5
1 version
Preprints & journals
82 papers in the corpus · 2017–2026Searching for lensed gravitational waves with unlensed templates2610.26080v1 · Digvijay Wadekar, Barak Zackay, Mark Ho-Yeuk Cheung et al.2026 · 0 citationsarXivon Valency
Probing Neutron Star Equation of State Universality with Gravitational Waves2609.05118v1 · Praveer Tiwari, Ajit Kumar Mehta, K. G. Arun2026 · 0 citationsarXiv
Testing the spin-induced multipole moments of compact binary coalescences using the flexible theory-independent framework2608.07237v1 · Elise M. Sanger, Alessandra Buonanno, Ajit Kumar Mehta et al.2026 · 0 citationsarXiv
The diffraction-lensing interpretation of GW231123 with astrophysical priors2607.21834v1 · Mark Ho-Yeuk Cheung, Digvijay Wadekar, Matias Zaldarriaga et al.2026 · 0 citationsarXiv
Discovery of Interpretable Surrogates via Agentic AI: Application to Gravitational Waves2605.11280v2 · Tousif Islam, Digvijay Wadekar, Tejaswi Venumadhav et al.2026 · 0 citationsarXiv
GW190711_030756 and GW200114_020818: astrophysical interpretation of two asymmetric binary black hole mergers in the IAS catalog2604.07388v1 · Tousif Islam, Tejaswi Venumadhav, Digvijay Wadekar et al.2026 · 0 citationsarXiv
Searching for precessing binary systems with mode-by-mode filtering and marginalization2603.05784v1 · Zihan Zhou, Digvijay Wadekar, Javier Roulet et al.2026 · 0 citationsarXiv
Data-driven extraction and phenomenology of eccentric harmonics in eccentric spinning binary black hole mergers2509.20556v1 · Tousif Islam, Tejaswi Venumadhav, Ajit Kumar Mehta et al.2025 · 0 citationsarXiv
Binary black hole population inference combining confident and marginal events from the search pipeline2508.15350v2 · Ajit Kumar Mehta, Digvijay Wadekar, Isha Anantpurkar et al.2025 · 2 citationsPhys. Rev. D 112, 124023 (2025)
Sampler-free gravitational wave inference using matrix multiplication2507.16022v3 · Jonathan Mushkin, Javier Roulet, Barak Zackay et al.2025 · 3 citationsarXiv
Improving gravitational wave search sensitivity with TIER: Trigger Inference using Extended strain Representation2507.08318v1 · Digvijay Wadekar, Arush Pimpalkar, Mark Ho-Yeuk Cheung et al.2025 · 0 citationsarXiv
gwharmone: first data-driven surrogate for eccentric harmonics in binary black hole merger waveforms2504.12420v1 · Tousif Islam, Tejaswi Venumadhav, Ajit Kumar Mehta et al.2025 · 0 citationsarXiv
Data-driven extraction, phenomenology and modeling of eccentric harmonics in binary black hole merger waveforms2504.12469v2 · Tousif Islam, Tejaswi Venumadhav, Ajit Kumar Mehta et al.2025 · 7 citationsPhys. Rev. D 112, 044070, 2026
Significant increase in sensitive volume of a gravitational wave search upon including higher harmonics2501.17939v2 · Ajit Kumar Mehta, Digvijay Wadekar, Javier Roulet et al.2025 · 0 citationsarXiv
Swift-BAT GUANO follow-up of gravitational-wave triggers in the third LIGO-Virgo-KAGRA observing run2407.12867v2 · Gayathri Raman, Samuele Ronchini, James Delaunay et al.2024 · 2 citationsApJ, Volume 980, 2025, 207
New search pipeline for gravitational waves with higher-order modes using mode-by-mode filtering2405.17400v2 · Digvijay Wadekar, Tejaswi Venumadhav, Javier Roulet et al.2024 · 17 citationsPhys. Rev. D 110, 044063 (2024)
Ultralight vector dark matter search using data from the KAGRA O3GK run2403.03004v1 · A. G. Abac, R. Abbott, H. Abe et al.2024 · 21 citationsarXiv
New black hole mergers in the LIGO-Virgo O3 data from a gravitational wave search including higher-order harmonics2312.06631v2 · Digvijay Wadekar, Javier Roulet, Tejaswi Venumadhav et al.2023 · 3 citationsarXiv
New binary black hole mergers in the LIGO-Virgo O3b data2311.06061v3 · Ajit Kumar Mehta, Seth Olsen, Digvijay Wadekar et al.2023 · 47 citationsPhys. Rev. D 111, 024049 (2025)
New approach to template banks of gravitational waves with higher harmonics: Reducing matched-filtering cost by over an order of magnitude2310.15233v2 · Digvijay Wadekar, Tejaswi Venumadhav, Ajit Kumar Mehta et al.2023 · 8 citationsPhys. Rev. D 110, 084035 (2024)
A Joint Fermi-GBM and Swift-BAT Analysis of Gravitational-Wave Candidates from the Third Gravitational-wave Observing Run2308.13666v1 · C. Fletcher, J. Wood, R. Hamburg et al.2023 · 10 citationsarXiv
Laying the foundation of the effective-one-body waveform models SEOBNRv5: improved accuracy and efficiency for spinning non-precessing binary black holes2303.18039v2 · Lorenzo Pompili, Alessandra Buonanno, H'ector Estell'es et al.2023 · 156 citationsPhys. Rev. D 108, 124035 (2023)
Search for subsolar-mass black hole binaries in the second part of Advanced LIGO's and Advanced Virgo's third observing run2212.01477v2 · R. Abbott, H. Abe, F. Acernese et al.2022 · 58 citationsarXiv
Search for gravitational-wave transients associated with magnetar bursts in Advanced LIGO and Advanced Virgo data from the third observing run2210.10931v1 · R. Abbott, H. Abe, F. Acernese et al.2022 · 28 citationsarXiv
Model-based cross-correlation search for gravitational waves from the low-mass X-ray binary Scorpius X-1 in LIGO O3 data2209.02863v2 · R. Abbott, H. Abe, F. Acernese et al.2022 · 28 citationsThe Astrophysical Journal Letters, 941, L30 (2022)
Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO's and Advanced Virgo's Third Observing Run.36018635 · Abbott, R, Abbott, T D, Acernese, F et al.2025 · 70 citationsPhysical review letters. 2022;129(6):061104
Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO--Virgo data2204.04523v1 · R. Abbott, H. Abe, F. Acernese et al.2022 · 66 citationsarXiv
Tests of General Relativity with Gravitational-Wave Observations using a Flexible--Theory-Independent Method2203.13937v1 · Ajit Kumar Mehta, Alessandra Buonanno, Roberto Cotesta et al.2022 · 83 citationsPhys. Rev. D 107, 044020 (2023)
Search for Gravitational Waves Associated with Fast Radio Bursts Detected by CHIME/FRB During the LIGO--Virgo Observing Run O3a2203.12038v1 · the CHIME/FRB Collaboration: R. Abbott, T. D. Abbott, F. Acernese et al.2022 · 32 citationsarXiv
Detection and parameter estimation challenges of Type-II lensed binary black hole signals2202.06334v2 · Aditya Vijaykumar, Ajit Kumar Mehta, Apratim Ganguly2022 · 35 citationsarXiv
Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data2201.10104v1 · R. Abbott, H. Abe, F. Acernese et al.2022 · 35 citationsarXiv
All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data2201.00697v1 · R. Abbott, H. Abe, F. Acernese et al.2022 · 99 citationsarXiv
Tests of General Relativity with GWTC-32112.06861v3 · R. Abbott, H. Abe, F. Acernese et al.2021 · 273 citationsPhys. Rev. D 112, 084080 (2025)
Search of the Early O3 LIGO Data for Continuous Gravitational Waves from the Cassiopeia A and Vela Jr. Supernova Remnants2111.15116v2 · R. Abbott, T. D. Abbott, F. Acernese et al.2021 · 40 citationsarXiv
All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data2111.15507v2 · R. Abbott, H. Abe, F. Acernese et al.2021 · 91 citationsPhys. Rev. D 105, 102001, 2022
Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs2111.13106v2 · R. Abbott, H. Abe, F. Acernese et al.2021 · 72 citationsarXiv
Constraints on the cosmic expansion history from GWTC-32111.03604v2 · R. Abbott, H. Abe, F. Acernese et al.2021 · 263 citationsarXiv
GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run2111.03606v3 · R. Abbott, T. D. Abbott, F. Acernese et al.2021 · 1,761 citationsPhys. Rev. X; 13(4):041039; 2023
The population of merging compact binaries inferred using gravitational waves through GWTC-32111.03634v5 · R. Abbott, T. D. Abbott, F. Acernese et al.2021 · 889 citationsPhysical Review X 13, 011048 (2023)
Constraints on compact dark matter from gravitational wave microlensing2109.06456v2 · S. Basak, A. Ganguly, K. Haris et al.2021 · 58 citationsApJ Lett. 926 L28 (2022)
GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run2108.01045v2 · R. Abbott, T. D. Abbott, F. Acernese et al.2021 · 638 citationsarXiv
All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run2107.13796v1 · R. Abbott, T. D. Abbott, F. Acernese et al.2021 · 48 citationsarXiv
All-sky Search for Continuous Gravitational Waves from Isolated Neutron Stars in the Early O3 LIGO Data2107.00600v2 · R. Abbott, T. D. Abbott, S. Abraham et al.2021 · 66 citationsPhys. Rev. D 104, 082004 (2021)
Observation of gravitational waves from two neutron star-black hole coalescences2106.15163v1 · R. Abbott, T. D. Abbott, S. Abraham et al.2021 · 763 citationsApJL, 915, L5 (2021)
Constraints on Cosmic Strings Using Data from the Third Advanced LIGO-Virgo Observing Run.34213926 · Abbott, R, Abbott, T D, Abraham, S et al.2021 · 188 citationsPhysical review letters. 2021;126(24):241102
Constraints on dark photon dark matter using data from LIGO's and Virgo's third observing run2105.13085v3 · R. Abbott, T. D. Abbott, F. Acernese et al.2021 · 78 citationsPhys. Rev. D 105, 063030, 2022
A detailed analysis of GW190521 with phenomenological waveform models2105.06360v3 · H'ector Estell'es, Sascha Husa, Marta Colleoni et al.2021 · 68 citationsarXiv
Observing intermediate-mass black holes and the upper--stellar-mass gap with LIGO and Virgo2105.06366v2 · Ajit Kumar Mehta, Alessandra Buonanno, Jonathan Gair et al.2021 · 82 citationsThe Astrophysical Journal, Volume 924, Number 1 (2022)
Search for lensing signatures in the gravitational-wave observations from the first half of LIGO-Virgo's third observing run2105.06384v3 · R. Abbott, T. D. Abbott, S. Abraham et al.2021 · 11 citationsarXiv
Upper Limits on the Isotropic Gravitational-Wave Background from Advanced LIGO's and Advanced Virgo's Third Observing Run2101.12130v1 · R. Abbott, T. D. Abbott, S. Abraham et al.2021 · 417 citationsPhys. Rev. D 104, 022004 (2021)
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