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Observing Cosmological Processes in Real Time with Repeating Fast Radio Bursts

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arxiv 1807.03287 v2 pith:HGLFNG5O submitted 2018-07-09 astro-ph.CO

Adi Zitrin , David Eichler This is my paper · ORCID
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keywords observingtimecosmologicalfastgalaxylensedradioreal
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abstract

It is noted that the duration of a fast radio burst (FRB), about $10^{-3}$ s, is a smaller fraction of the time delay between multiple images of a source gravitationally lensed by a galaxy or galaxy cluster than the human lifetime is to the age of the universe. Thus repeating, strongly lensed FRBs may offer an unprecedented opportunity for observing cosmological evolution in "real time". The possibility is discussed of observing cosmic expansion, transverse proper motion, mass accretion and perhaps growth of density perturbations, as a function of redshift.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Lensed fast radio bursts as a probe of time-varying gravitational potential induced by wave dark matter

    astro-ph.GA 2024-12 conditional novelty 5.0 of 10

    Wave dark matter halo fluctuations would stretch lensed FRB signals by about 10^-10, a drift that one year of monitoring lensed repeating bursts could detect.

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