801 citations · 1.1k across the 19 of their papers we have counts for
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Close Pulsar Pairs See Dark Matter Substructure through the Gravitational-Wave Background
Abhiram Cherukupalli, Vincent S. H. Lee, Kim V. Berghaus +1
Pulsar timing arrays detect signals from dark matter substructure, but a nanohertz gravitational-wave background (GWB) severely degrades their sensitivity. We show that timing puls…
Correlated signals of ultralight scalar dark matter in pulsar timing
Joshua W. Foster, Kimberly K. Boddy, Jeff A. Dror +5
Pulsar timing arrays (PTAs) are sensitive to ultralight dark matter (ULDM) in the - mass range, with existing datasets already probing otherwise op…
Pulsar Timing Sensitivity to Dark Matter Substructure in the Presence of a Stochastic Gravitational-Wave Background
Abhiram Cherukupalli, Vincent S. H. Lee, Kim Berghaus +1
Pulsar timing arrays (PTAs) can detect dark matter (DM) substructure through the small shifts a transiting DM subhalo imprints on pulse arrival times. Recently found evidence for a…
Primordial Non-Gaussianity and the Field-Level Cramer-Rao Bound
Eugene Chen, Daniel Green, Vincent S. H. Lee
Primordial non-Gaussianity is one of the most powerful probes of the inflationary epoch. The particle spectrum relevant to inflation, including masses and spins, is encoded in the…
Macroscopic Dark Matter Detection with Gravitational Wave Experiments
Yufeng Du, Vincent S. H. Lee, Yikun Wang +1
We study signatures of macroscopic dark matter (DM) in current and future gravitational wave (GW) experiments. Transiting DM with a mass of kg that saturates the…
Searching For Gravitational Waves From Cosmological Phase Transitions With The NANOGrav 12.5-year dataset
Zaven Arzoumanian, Paul T. Baker, Harsha Blumer +62
We search for a first-order phase transition gravitational wave signal in 45 pulsars from the NANOGrav 12.5 year dataset. We find that the data can be modeled in terms of a strong…
Bayesian Forecasts for Dark Matter Substructure Searches with Mock Pulsar Timing Data
Vincent S. H. Lee, Stephen R. Taylor, Tanner Trickle +1
Dark matter substructure, such as primordial black holes (PBHs) and axion miniclusters, can induce phase shifts in pulsar timing arrays (PTAs) measurements due to gravitational eff…
Probing Small-Scale Power Spectra with Pulsar Timing Arrays
Vincent S. H. Lee, Andrea Mitridate, Tanner Trickle +1
Models of Dark Matter (DM) can leave unique imprints on the Universe's small scale structure by boosting density perturbations on small scales. We study the capability of Pulsar Ti…