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The physical origin of fast radio bursts (FRBs) is still unclear. However, young magnetars associated with short-duration gamma-ray bursts (SGRBs) have been thought to be possible central engines for some FRBs. In this paper, we perform a…

High Energy Astrophysical Phenomena · Physics 2023-10-31 Ming-Xuan Lu , Long Li , Xiang-Gao Wang , Can-Min Deng , Yun-Feng Liang , Da-Bin Lin , En-Wei Liang

Fast radio bursts (FRBs) are bright radio bursts originating at cosmological distances. Only three repeating FRBs FRB 20121102A, FRB 20190520B and FRB 20201124A among $\sim$ 60 known repeating FRBs have circular polarization. We observed…

Gamma-ray bursts (GRBs) are among the most luminous electromagnetic transients in the universe, providing unique insights into extreme astrophysical processes and serving as promising probes for cosmology. Unlike Type Ia supernovae, which…

High Energy Astrophysical Phenomena · Physics 2025-01-28 Chen Deng , Yong-Feng Huang , Fan Xu , Abdusattar Kurban

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…

A handful of fast radio bursts (FRBs) are now known to repeat. However, the question remains --- do they all? We report on an extensive observational campaign with the Australian Square Kilometre Array Pathfinder (ASKAP), Parkes, and Robert…

Fast radio bursts (FRBs) are one of the most mysterious astronomical transients. Observationally, they can be classified into repeaters and apparently non-repeaters. However, due to the lack of continuous observations, some apparently…

High Energy Astrophysical Phenomena · Physics 2023-01-03 Jia-Ming Zhu-Ge , Jia-Wei Luo , Bing Zhang

We consider future cosmological tests based on observations of Fast Radio Bursts (FRBs). We use Illustris Simulation to realistically estimate the scatter in the dispersion measure (DM) of FRBs caused by the inhomogeneous distribution of…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-12 M. Jaroszynski

Fast radio bursts (FRBs) are extragalactic radio flashes of unknown physical origin. Their high luminosities and short durations require extreme energy densities, like those found in the vicinity of neutron stars and black holes. Studying…

Recently, Thornton et al. reported the detection of four fast radio bursts (FRBs). The dispersion measures indicate that the sources of these FRBs are at cosmological distance. Given the large full sky event rate ~ 10^4 sky^-1 day^-1, the…

High Energy Astrophysical Phenomena · Physics 2015-06-16 Kazumi Kashiyama , Kunihito Ioka , Peter Mészáros

The recently discovered fast radio bursts (FRBs), presumably of extra-galactic origin, have the potential to become a powerful probe of the intergalactic medium (IGM). We point out a few such potential applications. We provide expressions…

High Energy Astrophysical Phenomena · Physics 2015-12-29 Z. Zheng , E. O. Ofek , S. R. Kulkarni , J. D. Neill , M. Juric

The radiative mechanism of coherent radio emission has remained an enigma since the discovery of pulsars, even the emergence of fast radio bursts (FRBs), which exhibit similarities to the single-pulse behavior of pulsars and have opened a…

FRBs are a newly discovered class of extragalactic radio transients characterised by their high energy and short-duration (~$\mu$s-ms)[1]. Their elusive physical origin remains a subject of ongoing research, with magnetars emerging as…

High Energy Astrophysical Phenomena · Physics 2024-08-07 Mohit Bhardwaj , Jimin Lee , Kevin Ji

Understanding the origin of fast radio bursts (FRB's) is a central unsolved problem in astrophysics that is severely hampered by their poorly determined distance scale. Determining the redshift distribution of FRB's appears to require…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-22 Masoud Rafiei-Ravandi , Kendrick M. Smith , Kiyoshi W. Masui

Fast radio bursts (FRBs) are extra-galactic sources with unknown physical mechanisms. They emit millisecond-duration radio pulses with isotropic equivalent energy of $10^{36}\sim10^{41}$ ergs. This corresponds to a brightness temperature of…

The mechanism responsible for the prompt emission of gamma-ray bursts (GRBs) is still a debated issue. The prompt phase-related GRB correlations can allow to discriminate among the most plausible theoretical models explaining this emission.…

High Energy Astrophysical Phenomena · Physics 2018-02-01 Maria Dainotti , Roberta Del Vecchio , Mariusz Tarnopolski

The discovery of a repeating fast radio burst has led to the first precise localization, an association with a dwarf galaxy, and the identification of a coincident persistent radio source. However, further localizations are required to…

High Energy Astrophysical Phenomena · Physics 2018-09-25 T. Eftekhari , E. Berger , P. K. G. Williams , P. K. Blanchard

Fast radio bursts (FRBs) are highly dispersed, sporadic radio pulses that are likely extragalactic in nature. Here we investigate the constraints on the source population from surveys carried out at frequencies $<1$~GHz. All but one FRB has…

High Energy Astrophysical Phenomena · Physics 2016-12-21 Kaustubh Rajwade , Duncan Lorimer

One of the potential sources of repeating Fast Radio Bursts (FRBs) is a rotating magnetosphere of a compact object, as suggested by the similarities in the polarization properties of FRBs and radio pulsars. Attempts to measure an underlying…

High Energy Astrophysical Phenomena · Physics 2025-08-28 Kaustubh M. Rajwade , Aris Karastergiou