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Detectability of Gravitational Waves from High-Redshift Binaries
Pablo A. Rosado, Paul D. Lasky, Eric Thrane +3
Recent non-detection of gravitational-wave backgrounds from pulsar timing arrays casts further uncertainty on the evolution of supermassive black hole binaries. We study the capabi…
Gravitational-wave cosmology across 29 decades in frequency
Paul D. Lasky, Chiara M. F. Mingarelli, Tristan L. Smith +24
Quantum fluctuations of the gravitational field in the early Universe, amplified by inflation, produce a primordial gravitational-wave background across a broad frequency band. We…
Gravitational waves from binary supermassive black holes missing in pulsar observations
R. M. Shannon, V. Ravi, L. T. Lentati +19
Gravitational waves are expected to be radiated by supermassive black hole binaries formed during galaxy mergers. A stochastic superposition of gravitational waves from all such bi…
Detecting nanohertz gravitational waves with pulsar timing arrays
Xing-Jiang Zhu, Linqing Wen, George Hobbs +2
Complementary to ground-based laser interferometers, pulsar timing array experiments are being carried out to search for nanohertz gravitational waves. Using the world's most power…
Detection and localization of single-source gravitational waves with pulsar timing arrays
Xing-Jiang Zhu, Linqing Wen, George Hobbs +7
Pulsar timing arrays (PTAs) can be used to search for very low frequency (-- Hz) gravitational waves (GWs). In this paper we present a general method for the dete…
A Study of Multi-frequency Polarization Pulse Profiles of Millisecond Pulsars
S. Dai, G. Hobbs, R. N. Manchester +23
We present high signal-to-noise ratio, multi-frequency polarization pulse profiles for 24 millisecond pulsars that are being observed as part of the Parkes Pulsar Timing Array (PPT…