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

Abstract

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. constraining the Hubble constant and model-independently estimating the cosmic curvature. Here, we study complementary constraints on the equation of state of dark energy from strongly lensed FRBs to currently available popular probes. It is found that, in the framework of Chevalier-Polarski-Linder parametrization, adding time delay measurement of 30 strongly lensed FRB systems to cosmic microwave background radiation and type Ia supernovae can improve the dark energy figure of merit by a factor 2. In the precision cosmology era, this improvement is of great significance for studying the nature of dark energy.

16 pages, 4 figures, 1 table. arXiv admin note: text overlap with arXiv:1904.11751

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Cited by in corpus (17)

• The Physics of Fast Radio Bursts
• BURSTT: Bustling Universe Radio Survey Telescope in Taiwan
• Cosmology-insensitive estimate of IGM baryon mass fraction from five localized fast radio bursts
• The Taiji-TianQin-LISA network: Precisely measuring the Hubble constant using both bright and dark sirens
• Cosmology with fast radio bursts in the era of SKA
• Probing the interaction between dark energy and dark matter with future fast radio burst observations
• The effects of plasma on the magnification and time delay of strongly lensed fast radio bursts
• Gravitational lensing in the presence of plasma scattering with application to Fast Radio Bursts
• Gravitational Microlensing Time Delays at High Optical Depth: Image Parities and the Temporal Properties of Fast Radio Bursts
• Probing Gravitational Slip with Strongly Lensed Fast Radio Bursts
• Testing the Equivalence Principle with Strong Lensing Time Delay Variations
• The BINGO Project IX: Search for Fast Radio Bursts -- A Forecast for the BINGO Interferometry System
• Combining strongly lensed and unlensed fast radio bursts: To be a more precise late-universe probe
• Relativistic imprints on dispersion measure space distortions
• Can Einstein (rings) surf Gravitational Waves?
• Lensing cosmic drift
• Accelerated expansion as manifestation of gravity: when Dark Energy belongs to the left