On the Use of Fast Radio Burst Dispersion Measures as Distance Measures

Abstract

Fast radio bursts appear to be cosmological signals whose frequency-time structure provides a dispersion measure. The dispersion measure is a convolution of the cosmic distance element and the electron density, and contains the possibility of using these events as new cosmological distance measures. We explore the challenges of extracting the distance in a robust manner, and give quantitative estimates for the systematics control needed for fast radio bursts to become a competitive distance probe. The methodology can also be applied to assessing their use for mapping electron density fluctuations or helium reionization.

arXiv comment9 pages, 5 figures; v2 with clarifications, reordering; v3 updated references, matches PRD version

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Cited by in corpus (27)

• The Physics of Fast Radio Bursts
• The Physics of Fast Radio Bursts
• A comparison of Galactic electron density models using PyGEDM
• Cosmological parameter estimation for dynamical dark energy models with future fast radio burst observations
• A New Method to Measure Hubble Parameter $H(z)$ using Fast Radio Bursts
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• Statistical modelling of the cosmological dispersion measure
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