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Measuring the Hubble constant (H$_0$) is one of the most important missions in astronomy. Nevertheless, recent studies exhibit differences between the employed methods. Fast radio bursts (FRBs) are coherent radio transients with large…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-03 Tsung-Ching Yang , Tetsuya Hashimoto , Tzu-Yin Hsu , Tomotsugu Goto , Chih-Teng Ling , Simon C. -C. Ho , Amos Y. -A. Chen , Ece Kilerci

If a small fraction of Fast Radio Bursts (FRBs) are associated with Gamma-Ray Bursts (GRBs), as recently suggested by Zhang, the combination of redshift measurements of GRBs and dispersion measure (DM) measurements of FRBs opens a new…

High Energy Astrophysical Phenomena · Physics 2014-03-05 Wei Deng , Bing Zhang

Fast Radio Bursts (FRBs) are extra-galactic radio transients which exhibit a distance-dependent dispersion of their signal, and thus can be used as cosmological probes. In this article we, for the first time, apply a model-independent…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-21 Stefan Heimersheim , Nina S. Sartorio , Anastasia Fialkov , Duncan R. Lorimer

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 constraints on the Hubble constant ($H_0$) derived from the observed dispersion measure (DM) distribution of unlocalized fast radio bursts (FRBs). While localized FRBs with redshift measurements have been used to investigate the…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-07 Yang Liu , Jun-Jie Wei , Puxun Wu , Xue-Feng Wu

Over 80% of the cosmic baryon density is likely to be distributed in the diffuse, $\gtrsim10^{4}$ K circum- and inter-galactic medium (CGM and IGM respectively). We demonstrate that the dispersion measures (DMs) of samples of localized Fast…

High Energy Astrophysical Phenomena · Physics 2019-02-20 Vikram Ravi

Through the relationship between dispersion measures (DM) and redshifts, fast radio bursts (FRBs) are considered to be very promising cosmological probes. In this paper, we attempted to use the DM-z relationship of FRBs to study the helium…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-10 Liang Jing , Jun-Qing Xia

Fast radio bursts (FRBs) have been suggested as an excellent celestial laboratory for testing the zero-mass hypothesis of the photon. In this work, we use the dispersion measure (DM)--redshift measurements of 23 localized FRBs to revisit…

High Energy Astrophysical Phenomena · Physics 2023-08-30 Bao Wang , Jun-Jie Wei , Xue-Feng Wu , Martín López-Corredoira

Identification and follow up observations of the host galaxies of fast radio bursts (FRBs) not only help us understand the environments in which the FRB progenitors reside, but also provide a unique way of probing the cosmological…

Fast Radio Bursts (FRBs) have emerged as powerful probes of baryonic matter in the Universe, offering constraints on cosmological and feedback parameters through their extragalactic dispersion measure-redshift (DM$_\mathrm{exgal}$-$z$)…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-24 Kritti Sharma , Vikram Ravi , Liam Connor , Elisabeth Krause , Pranjal R. S. , Dhayaa Anbajagane

The impact of galaxy formation processes on the matter power spectrum is uncertain and may bias cosmological parameters inferred by large-scale structure surveys. Fast Radio Bursts (FRBs), through their dispersion measures (DMs) encoding…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-09 Kritti Sharma , Elisabeth Krause , Vikram Ravi , Robert Reischke , Liam Connor , Pranjal R. S. , Dhayaa Anbajagane

Fast radio bursts (FRBs) probe the electron column density along the line of sight and hence can be used to probe foreground structures. One such structure is the Galactic halo. In this work, we use a total of 98 high Galactic latitude…

Astrophysics of Galaxies · Physics 2026-01-12 Jordan Hoffmann , Clancy James , Jason Xavier Prochaska , Marcin Glowacki

The Hubble parameter $H(z)$ is directly related to the expansion of our Universe. It can be used to study dark energy and constrain cosmology models. In this paper, we propose that $H(z)$ can be measured using fast radio bursts (FRBs) with…

Cosmology and Nongalactic Astrophysics · Physics 2020-05-27 Q. Wu , Hai Yu , F. Y. Wang

It has been proposed that measurements of scattering times ($\tau$) from fast radio bursts (FRB) may be used to infer the FRB host dispersion measure (DM) and its redshift. This approach relies on the existence of a correlation between…

Astrophysics of Galaxies · Physics 2026-02-16 Lluis Mas-Ribas , Clancy W. James

Fast radio bursts (FRBs) are bright, mostly millisecond-duration transients of extragalactic origin whose emission mechanisms remain unknown. As FRB signals propagate through ionized media, they experience frequency-dependent delays…

High Energy Astrophysical Phenomena · Physics 2026-01-21 Hosein Rajabi , Zhejian Liu , Fereshteh Rajabi , Martin Houde

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

Recently, fast radio bursts (FRBs) have become a thriving field in astronomy and cosmology. Due to their extragalactic and cosmological origin, they are useful to study the cosmic expansion and the intergalactic medium (IGM). In the…

High Energy Astrophysical Phenomena · Physics 2024-11-18 Han-Yue Guo , Hao Wei

Cosmic filaments are thought to host a substantial fraction of the missing baryons at redshifts $z<2$. In this study, we constraint the baryonic content of these filaments using localized Fast Radio Bursts (FRBs). Filaments are identified…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-04 Jian-Feng Mo , Weishan Zhu , Qi-Rui Yang , Yi Zheng , Long-Long Feng

We investigate how the statistical properties of dispersion measure (DM) and apparent flux density/fluence of (non-repeating) fast radio bursts (FRBs) are determined by unknown cosmic rate density history [$\rhoFRB (z)$] and luminosity…

High Energy Astrophysical Phenomena · Physics 2018-08-10 Yuu Niino

Modern cosmology and galaxy formation rely on an understanding of how cosmic baryons are distributed, a significant portion of which exist in the diffuse gas confined to halos. Fast Radio Bursts (FRBs) are a promising probe of the…

Astrophysics of Galaxies · Physics 2026-02-20 Samuel McCarty , Liam Connor , Ralf M. Konietzka