Gravitational wave detection using high precision pulsar observations

Abstract

Pulsar timing experiments are reaching sufficient sensitivity to detect a postulated stochastic gravitational wave background generated by merging supermassive black hole systems in the cores of galaxies. We describe the techniques behind the pulsar timing detection method, provide current upper bounds on the amplitude of any gravitational wave background, describe theoretical models predicting the existence of such a background and highlight new techniques for providing a statistically rigorous detection of the background.

Accepted for publication in the JPCS issue for the Amaldi 7 proceedings

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• A transient component in the pulse profile of PSR J0738-4042
• Constraints upon the spectral indices of relic gravitational waves by LIGO S5
• Effect of extra dimensions on gravitational waves from cosmic strings
• Using pulsar timing arrays and the quantum normalization condition to constrain relic gravitational waves
• Revisit relic gravitational waves based on the latest CMB observations
• Relic gravitational waves in the frame of slow-roll inflation with a power-law potential and the detection
• Identifying extra high frequency gravitational waves generated from oscillons with cuspy potentials using deep neural networks
• Local measurement of Λ using pulsar timing arrays
• Signal photon flux generated by high-frequency relic gravitational waves
• Imprints of relic gravitational waves on pulsar timing
• Initial Condition of Relic Gravitational Waves Constrained by LIGO S6 and Multiple Interferometers
• Pulsar timing array projects