KO
Ken D. Olum
gr-qchep-thastro-ph.COastro-ph.HEhep-phastro-phastro-ph.GAastro-ph.IMmath.MPmath-ph
On Valency
published · living versionsW_g27cs8db·v1 · currentpublished
The NANOGrav 15-year Data Set: Search for Signals from New Physics
with Adeela Afzal, Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald +118
1 version
W_bf4rrujk·v1published
W_63wpvz68·v1published
W_3tmujy6q·v1published
W_dr7jvff9·v1published
Preprints & journals
112 papers in the corpus · 1994–2026Adaptive Model-Switch Thermodynamic Integration: A Bayes Factor Estimator2610.24354v1 · Amanda Malnati, Megan Kralj, Ken D. Olum2026 · 0 citationsarXiv
Constraints on Supermassive Black Hole Binaries from the Lack of Resolvable Sources in the NANOGrav 15-yr Dataset2609.32306v1 · Emiko C. Gardiner, Kayhan Gultekin, Philippe Turgeon et al.2026 · 0 citationsarXiv
Pulsar Timing Array Sensitivity to Anisotropy: Empirical Sensitivity Curves, Scaling Relations, and the Multi-Resolution Pixel Basis2608.09781v1 · Taha T. Moursy, Nihan S. Pol, Gabriella Agazie et al.2026 · 0 citationsarXiv
Evaluating the Fourier Approximation in Pulsar Timing Array Analysis2606.30536v1 · Yongqi Zhang, Hayden Scholz, Ken D. Olum et al.2026 · 0 citationsarXiv
The NANOGrav 15 yr Data Set: Impacts of Customized Chromatic Noise Models on Gravitational Wave Analyses2606.28554v1 · Nikita Agarwal, Gabriella Agazie, Alessandra Amosso et al.2026 · 0 citationsarXiv
Gravitational Wave Measurement of the - Intrinsic Scatter at High Redshift2603.11167v2 · Cayenne Matt, Kayhan Gultekin, Gabriella Agazie et al.2026 · 0 citationsAstrophys. J. 1006, 63, (2026)
The NANOGrav 15 yr Data Set: Piecewise Power-Law Reconstruction of the Gravitational-Wave Background2601.09481v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2026 · 1 citationarXiv
Pulsar timing array analysis in a Legendre polynomial basis2510.05913v4 · Bruce Allen, Arian L. von Blanckenburg, Ken D. Olum2025 · 2 citationsPRD 113, 102001 (2026)
Inferring Mbh-Mbulge Evolution from the Gravitational Wave Background2508.18126v2 · Cayenne Matt, Kayhan Gultekin, Luke Kelley et al.2025 · 5 citationsarXiv
The NANOGrav 15 yr Data Set: Targeted Searches for Supermassive Black Hole Binaries2508.16534v2 · Nikita Agarwal, Gabriella Agazie, Akash Anumarlapudi et al.2025 · 16 citationsThe Astrophysical Journal Letters, Volume 998, Issue 1, id.L11, 28 pp. (2026)
The NANOGrav 15-year Data Set: Search for Gravitational Wave Memory2502.18599v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2025 · 0 citationsarXiv
More accurate gravitational wave backgrounds from cosmic strings2411.16590v2 · Jeremy M. Wachter, Ken D. Olum, Jose J. Blanco-Pillado2024 · 5 citationsarXiv
The NANOGrav 15 Yr Data Set: Removing Pulsars One by One from the Pulsar Timing Array2411.14846v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 3 citationsarXiv
The NANOGrav 15 yr Data Set: Harmonic Analysis of the Pulsar Angular Correlations2411.13472v1 · Gabriella Agazie, Jeremy G. Baier, Paul T. Baker et al.2024 · 3 citationsarXiv
Numerical gravitational backreaction on cosmic string loops from simulation2411.10366v2 · Jeremy M. Wachter, Ken D. Olum, Jose J. Blanco-Pillado et al.2024 · 1 citationarXiv
Inference on inner galaxy structure via gravitational waves from supermassive binaries2411.05906v3 · Yifan Chen, Matthias Daniel, Daniel J. D'Orazio et al.2024 · 6 citationsarXiv
The NANOGrav 15 yr Data Set: Running of the Spectral Index2408.10166v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 11 citationsAstrophys. J. Lett. 978 (2025) 2, L29
The NANOGrav 15 yr data set: Posterior predictive checks for gravitational-wave detection with pulsar timing arrays2407.20510v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 4 citationsarXiv
The NANOGrav 15 yr Data Set: Looking for Signs of Discreteness in the Gravitational-wave Background2404.07020v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2024 · 21 citationsThe Astrophysical Journal, Volume 978, Number 1 (2024)
The NANOGrav 15-year data set: Search for Transverse Polarization Modes in the Gravitational-Wave Background2310.12138v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 24 citationsarXiv
The NANOGrav 12.5-year data set: A computationally efficient eccentric binary search pipeline and constraints on an eccentric supermassive binary candidate in 3C 66B2309.17438v2 · Gabriella Agazie, Zaven Arzoumanian, Paul T. Baker et al.2023 · 18 citationsAstrophysical Journal, 2024
How to Detect an Astrophysical Nanohertz Gravitational-Wave Background2309.04443v2 · Bence B'ecsy, Neil J. Cornish, Patrick M. Meyers et al.2023 · 17 citationsApJ 959 9 (2023)
Comparing recent PTA results on the nanohertz stochastic gravitational wave background2309.00693v1 · G. Agazie, J. Antoniadis, A. Anumarlapudi et al.2023 · 17 citationsarXiv
The NANOGrav 12.5-year Data Set: Search for Gravitational Wave Memory2307.13797v1 · Gabriella Agazie, Zaven Arzoumanian, Paul T. Baker et al.2023 · 29 citationsarXiv
The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background2306.16213v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 1,471 citationsarXivon Valency
The NANOGrav 15-year Data Set: Observations and Timing of 68 Millisecond Pulsars2306.16217v1 · Gabriella Agazie, Md Faisal Alam, Akash Anumarlapudi et al.2023 · 364 citationsarXivon Valency
The NANOGrav 15-Year Data Set: Detector Characterization and Noise Budget2306.16218v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 146 citationsarXivon Valency
The NANOGrav 15-year Data Set: Search for Signals from New Physics2306.16219v1 · Adeela Afzal, Gabriella Agazie, Akash Anumarlapudi et al.2023 · 751 citationsarXivon Valency
The NANOGrav 15-year Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational Wave Background2306.16220v2 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 384 citationsarXiv
The NANOGrav 15-year Data Set: Search for Anisotropy in the Gravitational-Wave Background2306.16221v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 4 citationsarXiv
The NANOGrav 15-year Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries2306.16222v1 · Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald et al.2023 · 156 citationsarXiv
The NANOGrav 15-year Gravitational-Wave Background Methods2306.16223v3 · Aaron D. Johnson, Patrick M. Meyers, Paul T. Baker et al.2023 · 44 citationsPhys. Rev. D 109, 103012 (2024)
PTArcade2306.16377v1 · Andrea Mitridate, David Wright, Richard von Eckardstein et al.2023 · 2 citationsarXiv
Searching for continuous Gravitational Waves in the second data release of the International Pulsar Timing Array2303.10767v1 · M. Falxa, S. Babak, P. T. Baker et al.2023 · 72 citationsarXiv
Nambu-Goto Dynamics of Field Theory Cosmic String Loops2302.03717v2 · Jose J. Blanco-Pillado, Daniel Jim'enez-Aguilar, Joanes Lizarraga et al.2023 · 30 citationsJCAP 05 (2023) 035
The NANOGrav 12.5-year Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries2301.03608v2 · Zaven Arzoumanian, Paul T. Baker, Laura Blecha et al.2023 · 48 citationsarXivon Valency
The NANOGrav 12.5-year data set: Search for Non-Einsteinian Polarization Modes in theGravitational-Wave Background2109.14706v1 · Zaven Arzoumanian, Paul T. Baker, Harsha Blumer et al.2021 · 58 citationsThe Astrophysical Journal Letters, vol. 923, no. 2, p. L22, Dec. 2021
Eternal inflation, energy conditions and the role of decoherent histories2105.09648v1 · Eleni-Alexandra Kontou, Ken D. Olum2021 · 0 citationsarXiv
Black holes and up-tunneling suppress Boltzmann brains2105.00457v1 · Ken D. Olum, Param Upadhyay, Alexander Vilenkin2021 · 6 citationsPhys. Rev. D 104, 023528 (2021)
Comparison of cosmic string and superstring models to NANOGrav 12.5-year results2102.08194v2 · Jose J. Blanco-Pillado, Ken D. Olum, Jeremy M. Wachter2021 · 85 citationsPhys. Rev. D 103, 103512 (2021)
No black holes from cosmic string cusps2101.05040v1 · Jose J. Blanco-Pillado, Ken D. Olum, Alexander Vilenkin2021 · 2 citationsarXiv
Energy conditions allow eternal inflation2008.01878v1 · Eleni-Alexandra Kontou, Ken D. Olum2020 · 5 citationsarXiv
Direct determination of cosmic string loop density from simulations1912.10017v1 · Jose J. Blanco-Pillado, Ken D. Olum2019 · 37 citationsPhys. Rev. D 101, 103018 (2020)
Backreaction on an infinite helical cosmic string1908.09702v3 · Ken W. Robbins, III, Ken D. Olum2019 · 2 citationsPhys. Rev. D 100, 103512 (2019)
Energy-conservation constraints on cosmic string loop production and distribution functions1907.09373v2 · Jose J. Blanco-Pillado, Ken D. Olum, Jeremy M. Wachter2019 · 30 citationsPhys. Rev. D 100, 123526 (2019)
Gravitational backreaction simulations of simple cosmic string loops1903.06079v2 · Jose J. Blanco-Pillado, Ken D. Olum, Jeremy M. Wachter2019 · 32 citationsPhys. Rev. D 100, 023535 (2019)
Erratum: Gravitational Smoothing of Kinks on Cosmic String Loops [Phys. Rev. Lett. 118, 051301 (2017)].30339422 · Wachter, Jeremy M, Olum, Ken D2019 · 6 citationsPhysical review letters. 2018;121(14):149901
Gravitational back-reaction near cosmic string kinks and cusps1808.08254v2 · Jose J. Blanco-Pillado, Ken D. Olum, Jeremy M. Wachter2018 · 24 citationsPhys. Rev. D 98, 123507 (2018)
Stochastic gravitational wave background from smoothed cosmic string loops1709.02693v2 · Jose J. Blanco-Pillado, Ken D. Olum2017 · 236 citationsPhys. Rev. D 96, 104046 (2017)
New limits on cosmic strings from gravitational wave observation1709.02434v2 · Jose J. Blanco-Pillado, Ken D. Olum, Xavier Siemens2017 · 195 citationsPhys.Lett.B 778 (2018) 392-396
Career total: at least 186 works. 112 are in this corpus.Showing the 50 most recent.
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