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We consider the possible observation of Fast Radio Bursts (FRBs) with planned future radio telescopes, and investigate how well the dispersions and redshifts of these signals might constrain cosmological parameters. We construct mock…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-11 Anthony Walters , Amanda Weltman , B. M. Gaensler , Yin-Zhe Ma , Amadeus Witzemann

The Macquart relation and time-delay cosmography are now two promising ways to fast radio burst (FRB) cosmology. In this work, we propose a joint method that combines strongly lensed and unlensed FRBs for improving cosmological parameter…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-13 Ji-Guo Zhang , Yi-Fan Jiang , Ze-Wei Zhao , Jing-Zhao Qi , Jing-Fei Zhang , Xin Zhang

Recently, both theoretical arguments and observational evidence suggested that a small fraction of fast radio bursts (FRBs) could be associated with gamma-ray bursts (GRBs). If such FRB/GRB association systems are commonly detected in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 He Gao , Zhuo Li , Bing Zhang

There are various surveys that will provide excellent data to search for and localize Fast Radio Bursts (FRBs). The BINGO project will be one such survey, and this collaboration has already estimated a FRB detection rate that the project…

Two of the most pressing challenges in cosmology are the persistent discrepancy in measurements of the Hubble constant, referred to as the Hubble tension, and the deficit of baryons in the local Universe, known as the missing baryon…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-01 Peng-Ju Wu , Bo-Yang Zhang , Ji-Guo Zhang , Guo-Hong Du , Shang-Jie Jin , Xin Zhang

Fast radio bursts (FRBs) can be used to measure cosmological parameters by employing the Macquart relation. However, at present, only a small number of FRB events are localized to host galaxies with known redshifts. Inspired by the dark…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-26 Ze-Wei Zhao , Ji-Guo Zhang , Yichao Li , Jing-Fei Zhang , Xin Zhang

We present a forecast of the cosmological parameter estimation using fast radio bursts (FRBs) from the upcoming Square Kilometre Array (SKA), focusing on the issues of dark energy, the Hubble constant, and baryon density. We simulate $10^5$…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-21 Ji-Guo Zhang , Ze-Wei Zhao , Yichao Li , Jing-Fei Zhang , Di Li , Xin Zhang

The dispersion of fast radio bursts (FRBs) is a measure of the large-scale electron distribution. It enables measurements of cosmological parameters, especially of the expansion rate and the cosmic baryon fraction. The number of events is…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-19 Robert Reischke , Steffen Hagstotz

Recently, about five hundred fast radio bursts (FRBs) detected by CHIME/FRB Project have been reported. The vast amounts of data would make FRBs a promising low-redshift cosmological probe in the forthcoming years, and thus the issue of how…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-04 Xing-Wei Qiu , Ze-Wei Zhao , Ling-Feng Wang , Jing-Fei Zhang , Xin Zhang

In this study, we use late-time probes, such as well-localized fast radio bursts (FRBs), baryon acoustic oscillations (BAO), supernovae (SNe), and cosmic chronometers (CC) to constrain cosmological parameters through a model-independent…

The dispersion measure -- redshift relation of Fast Radio Bursts, $\mathrm{DM}(z)$, has been proposed as a potential new probe of the cosmos, complementary to existing techniques. In practice, however, the effectiveness of this approach…

Cosmology and Nongalactic Astrophysics · Physics 2019-11-20 Anthony Walters , Yin-Zhe Ma , Jonathan Sievers , Amanda Weltman

Fast radio bursts (FRBs) are among the most mysterious astronomical transients. Due to their short durations and cosmological distances, their dispersion measure (DM) - redshift ($z$) relation is useful for constraining cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-07 Jiaming Zhuge , Marios Kalomenopoulos , Bing Zhang

Fast Radio Bursts (FRBs) are millisecond-duration radio transients with an observed dispersion measure ($DM$) greater than the expected Milky Way contribution, which suggests that such events are of extragalactic origin. Although some…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-30 Thais Lemos , Rodrigo S. Gonçalves , Joel C. Carvalho , Jailson S. Alcaniz

The dispersion measure-redshift relation of fast radio bursts (FRBs) provides a valuable cosmological probe for constraining the Hubble constant, offering an independent measurement that could help resolve the ongoing Hubble tension. In…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-28 Chenyuan Xu , Yi Feng , Jiaying Xu

Fast Radio Bursts (FRBs) are millisecond-duration pulses occurring at cosmological distances that have emerged as prominent cosmological probes due to their dispersion measure (DM) evolution with redshift. In this work, we use cosmography,…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-28 Jéferson A. S. Fortunato , Wiliam S. Hipólito-Ricaldi , Marcelo V. dos Santos

We discuss the possibility of using fast radio bursts (FRBs), if cosmological, as a viable cosmic probe. We find out that the contribution of the host galaxies to the detected dispersion measures can be inapparent for the FRBs not from…

Cosmology and Nongalactic Astrophysics · Physics 2014-05-26 Bei Zhou , Xiang Li , Tao Wang , Yi-Zhong Fan , Da-Ming Wei

In the age of large-scale galaxy and lensing surveys, such as DESI, Euclid, Roman and Rubin, we stand poised to usher in a transformative new phase of data-driven cosmology. To fully harness the capabilities of these surveys, it is critical…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-28 Isabel Medlock , Daisuke Nagai , Daniel Anglés Alcázar , Matthew Gebhardt

Interacting dark energy (IDE) scenario assumes that there exists a direct interaction between dark energy and cold dark matter, but this interaction is hard to be tightly constrained by the current data. Fast radio bursts (FRBs) will be…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-13 Ze-Wei Zhao , Ling-Feng Wang , Ji-Guo Zhang , Jing-Fei Zhang , Xin Zhang

Fast radio burst (FRB) is a type of extragalactic radio signal characterized by millisecond duration, extremely high brightness temperature, and large dispersion measure. It remains a mystery in the universe. Advancements in instrumentation…

High Energy Astrophysical Phenomena · Physics 2024-09-23 Qin Wu , Fa-Yin Wang

The dispersion measures (DM) of fast radio bursts (FRBs) encode the integrated electron density along the line-of-sight, which is typically dominated by the intergalactic medium (IGM) contribution in the case of extragalactic FRBs. In this…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-30 Khee-Gan Lee , Metin Ata , Ilya S. Khrykin , Yuxin Huang , J. Xavier Prochaska , Jeff Cooke , Jielai Zhang , Adam Batten
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