Prospects of strongly lensed repeating fast radio bursts: complementary constraints on dark energy evolution

Understand

Fast radio bursts (FRBs) are highly dispersed and probably extragalactic radio flashes with millisecond-duration.

• Recently, the Canadian Hydrogen Intensity Mapping Experiment (using the CHIME/FRB instrument) has reported detections of 13 FRBs during a pre-commissioning phase.
• It is more exciting that one of the 13 FRBs is a second source of repeaters which suggests that CHIME/FRB and other wide-field sensitive radio telescopes will find a substantial population of repeating FRBs.
• We have proposed strongly lensed repeating FRBs as a precision cosmological probe, e.g.