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Fast radio bursts (FRBs) are mysterious millisecond pulses in radio, most of which originate from distant galaxies. Revealing the origin of FRBs is becoming central in astronomy. The redshift evolution of the FRB energy function, i.e., the…

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…

We present constraints on the origins of fast radio bursts (FRBs) using large cosmological simulations. We calculate contributions to FRB dispersion measures (DMs) from the Milky Way, from the local Universe, from cosmological large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-25 K. Dolag , B. M. Gaensler , A. M. Beck , M. C. Beck

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

Fast radio bursts (FRBs) are extremely powerful sources of radio waves observed at cosmological distances. We use a sophisticated model of FRB observations -- presented in detail in a companion paper -- to fit FRB population parameters…

High Energy Astrophysical Phenomena · Physics 2021-11-17 C. W. James , J. X. Prochaska , J. -P. Macquart , F. North-Hickey , K. W. Bannister , A. Dunning

Fast radio bursts (FRBs) are radio signals that last milliseconds. They originate from cosmological distances and have relatively high dispersion measures (DMs), making them being excellent distance indicators. However, the origins of the…

High Energy Astrophysical Phenomena · Physics 2025-03-11 Wenqi Ma , Zhifu Gao , Biaopeng Li , Chenhui Niu , Jumei Yao , Fayin Wang

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

Fast radio bursts (FRBs) are radio pulses that originate from cosmological distance. Over 800 FRB sources with thousands of bursts have been detected, yet their origins remain unknown. Analyse of the energy function and the redshift…

High Energy Astrophysical Phenomena · Physics 2025-04-21 Wenqi Ma , Zhifu Gao , Biaopeng Li , Jumei Yao , Fayin Wang

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

Fast Radio Bursts (FRBs) are enigmatic radio pulses whose origins are poorly understood. The dispersion measure of host galaxy (${\rm DM_{host}}$) provides critical insights into the local environment of FRB sources. In this study, we…

Astrophysics of Galaxies · Physics 2025-12-09 Yu Sang , Hai-Nan Lin

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

A large number of fast radio bursts (FRBs) detected with the CHIME telescope have enabled investigations of their energy distributions in different redshift intervals, incorporating the consideration of the selection effects of CHIME. As a…

High Energy Astrophysical Phenomena · Physics 2023-07-12 Zi-Liang Zhang , Yun-Wei Yu , Xiao-Feng Cao

Fast Radio Bursts (FRBs) are a promising tool for studying the low-density universe as their dispersion measures (DM) are extremely sensitive probes of electron column density. Active Galactic Nuclei (AGN) inject energy into the…

Astrophysics of Galaxies · Physics 2022-03-14 Adam J. Batten , Alan R. Duffy , Chris Flynn , Vivek Gupta , Emma Ryan-Weber , Nastasha Wijers

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

Fast radio burst (FRB) discoveries are occurring rapidly, with thousands expected from upcoming surveys. The dispersion measures (DM) observed for FRB include important information on cosmological distances and the ionization state of the…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-20 Mukul Bhattacharya , Pawan Kumar , Eric V. Linder

Fast radio bursts (FRBs) are enigmatic millisecond-duration radio transients whose physical origins remain debated. To shed light on this, we analyze the CHIME/FRB Catalog 2. By using the probability distribution of dispersion measured (DM)…

High Energy Astrophysical Phenomena · Physics 2026-04-30 X. D. Jia , D. H. Gao , J. H. Chen , Q. Wu , S. X. Yi , F. Y. Wang

Fast Radio Bursts (FRBs) are millisecond transient radio events with a high energy. By identifying the origin of the \textbf{burst}, it is possible to measure the redshift of the host galaxy, which can be used to constrain cosmological and…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-27 Thais Lemos , Rodrigo S. Gonçalves , Joel C. Carvalho , Jailson S. Alcaniz

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

High time resolution radio surveys over the last few years have discovered a population of millisecond-duration transient bursts called Fast Radio Bursts (FRBs), which remain of unknown origin. FRBs exhibit dispersion consistent with…

High Energy Astrophysical Phenomena · Physics 2016-03-23 M. Caleb , C. Flynn , M. Bailes , E. D. Barr , R. W. Hunstead , E. F. Keane , V. Ravi , W. van Straten

This theoretical work investigates different models to predict the redshift of Fast Radio Bursts (FRBs) from their observed dispersion measure (DM) and other reported properties. We performed an extensive revision of the FRBs with confirmed…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-13 Luz Ángela García , Eduard Piratova-Moreno , Felipe González-Alarcón , Jhonier Rangel
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