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We reconstruct the extragalactic dispersion measure \ -- redshift relation (${\rm DM_E}-z$ relation) from well-localized fast radio bursts (FRBs) using Bayesian inference method. Then the ${\rm DM_E}-z$ relation is used to infer the…

High Energy Astrophysical Phenomena · Physics 2023-07-06 Li Tang , Hai-Nan Lin , Xin Li

Fast radio bursts (FRBs) are brief, high-energy bursts of radio waves from extragalactic sources, and their origin remains an open question. In this paper, we perform a comprehensive analysis of the FRB population using the first CHIME/FRB…

High Energy Astrophysical Phenomena · Physics 2025-09-12 Qing-Zhen Lei , Xin-Zhe Wang , Can-Min Deng

In spite of significant progress in the research of fast radio bursts (FRBs) in recent decade, their origin is still under extensive debate. Investigation on the population of FRBs can provide new insight into this interesting problem. In…

High Energy Astrophysical Phenomena · Physics 2024-07-10 Hai-Nan Lin , Xin-Yi Li , Rui Zou

Fast Radio Bursts (FRBs) have emerged as one of the most dynamic areas of research in astronomy and cosmology. Despite increasing number of FRBs have been reported, the exact origin of FRBs remains elusive. Investigating the intrinsic…

High Energy Astrophysical Phenomena · Physics 2025-07-10 Huan Zhou , Zhengxiang Li , Zong-Hong Zhu

Fast radio bursts (FRBs) are brief, energetic, extragalactic flashes of radio emission whose progenitors are largely unknown. Although studying the FRB population is essential for understanding how these astrophysical phenomena occur, such…

Recently, CHIME/FRB project published its first fast radio burst (FRB) catalog (hereafter, Catalog 1), which totally contains 536 unique bursts. With the help of the latest set of FRBs in this large-size catalog, we aim to investigate the…

High Energy Astrophysical Phenomena · Physics 2023-05-24 Jianwei Zhang , Chengmin Zhang , Di Li , Wuming Yang , Xianghan Cui , ChangQing Ye , Dehua Wang , Yiyan Yang , Shaolan Bi , Xianfei Zhang

Redshift and luminosity distributions are essential for understanding the cosmic evolution of extragalactic objects and phenomena, such as galaxies, gamma-ray bursts, and fast radio bursts (FRBs). For FRBs, these distributions are primarily…

High Energy Astrophysical Phenomena · Physics 2025-06-12 Om Gupta , Paz Beniamini , Pawan Kumar , Steven L. Finkelstein

Fast Radio Bursts (FRBs) are energetic radio bursts that typically last for milliseconds. They are mostly of extragalactic origin, but the progenitors, trigger mechanisms and radiation processes are still largely unknown. Here we present a…

High Energy Astrophysical Phenomena · Physics 2025-12-03 Nurimangul Nurmamat , Yong-Feng Huang , Xiao-Fei Dong , Chen-Ran Hu , Orkash Amat , Ze-Cheng Zou , Abdusattar Kurban , Jin-Jun Geng , Chen Deng

Based on the first CHIME/FRB catalogue, three volume-limited samples of fast radio bursts (FRBs) are built, with samples 1, 2, and 3 corresponding to a fluence cut of 5, 3, and 1, respectively. The Lynden-Bell's c$^-$ method was applied to…

High Energy Astrophysical Phenomena · Physics 2025-05-28 K. J. Zhang , Z. B. Zhang , A. E. Rodin , V. A. Fedorova , Y. F. Huang , D. Li , X. F. Dong , P. Wang , Q. M. Li , C. Du , F. Xu , C. T. Hao

We characterize the intrinsic properties of any FRB using its redshift $z$, spectral index $\alpha$ and energy $E_{33}$ in units of $10^{33} \, {\rm J}$ emitted across $2128 - 2848\; {\rm MHz}$ in the FRB's rest frame. Provided that $z$ is…

High Energy Astrophysical Phenomena · Physics 2023-02-22 Siddhartha Bhattacharyya , Somnath Bharadwaj , Himanshu Tiwari , Suman Majumdar

Fast radio bursts (FRBs) are luminous, millisecond-duration transients that offer great potential for probing the universe, yet their physical origins remain unclear. The dispersion measure (DM) and scattering time ($\tau$) distributions…

High Energy Astrophysical Phenomena · Physics 2025-06-24 Jian-Feng Mo , Weishan Zhu , Long-Long Feng

Quantifying the maximum energy of fast radio bursts (FRBs) can provide stringent constraints on their emission mechanisms and progenitor models. However, the most energetic bursts are rare, requiring a large sample of FRBs to detect them.…

Fast radio bursts (FRBs) are millisecond-duration radio transients from cosmological distances. Their isotropic energies follow a power-law distribution with a possible exponential cutoff, but their intrinsic redshift distribution, which…

High Energy Astrophysical Phenomena · Physics 2020-11-25 Rachel C. Zhang , Bing Zhang , Ye Li , Duncan R. Lorimer

We present a Monte Carlo-based population synthesis study of fast radio burst (FRB) dispersion and scattering focusing on the first catalog of sources detected with the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst…

Fast Radio Bursts (FRBs), a class of millisecond-scale, highly energetic phenomena with unknown progenitors and radiation mechanisms, require proper statistical analysis as a key method for uncovering their mysteries. In this research, we…

High Energy Astrophysical Phenomena · Physics 2025-02-27 Xianghan Cui , Clancy James , Di Li , Chengmin Zhang

Regardless of whether or not all fast radio bursts (FRBs) repeat, those that do form a population with a distribution of rates. This work considers a power-law model of this population, with rate distribution $\Phi_r \sim R^{\gamma_r}$…

High Energy Astrophysical Phenomena · Physics 2023-09-19 C. W. James

We examine how the various observable statistical properties of the FRB population relate back to their fundamental physical properties in a model independent manner. We analyse the flux density and fluence distributions of Fast Radio…

High Energy Astrophysical Phenomena · Physics 2018-08-08 Jean-Pierre Macquart , Ron Ekers

Fast radio bursts (FRBs) have been found in great numbers, but the physical mechanism of these sources is still a mystery. The redshift evolutions of the FRB energy distribution function and the volumetric rate shed light on the origin of…

High Energy Astrophysical Phenomena · Physics 2024-05-09 Ji-Guo Zhang , Yichao Li , Jia-Ming Zou , Ze-Wei Zhao , Jing-Fei Zhang , Xin Zhang

We demonstrate how the FRB redshift and fluence distributions from the Parkes, ASKAP and CHIME telescopes can be used together to constrain the properties of the FRB population. Here we consider a simple model where all the FRBs have the…

High Energy Astrophysical Phenomena · Physics 2019-09-10 Siddhartha Bhattacharyya , Somnath Bharadwaj

The observed Fast Radio Burst (FRB) population can be divided into one-off and repeating FRB sources. Either this division is a true dichotomy of the underlying sources, or selection effects and low activity prohibit us from observing…

High Energy Astrophysical Phenomena · Physics 2021-03-10 D. W. Gardenier , L. Connor , J. van Leeuwen , L. C. Oostrum , E. Petroff
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