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Fast radio bursts (FRBs) are millisecond-duration, extragalactic radio flashes of unknown physical origin. FRB 121102, the only known repeating FRB source, has been localized to a star-forming region in a dwarf galaxy at redshift z = 0.193,…

What the progenitors of fast radio bursts (FRBs) are, and whether there are multiple types of progenitors are open questions. The advent of localized FRBs with host galaxy redshifts allows the various emission models to be directly tested…

High Energy Astrophysical Phenomena · Physics 2020-08-20 Kelly Gourdji , Antonia Rowlinson , Ralph A. M. J. Wijers , Adam Goldstein

Most of fast radio bursts (FRB) do not show evidence for repetition, and such non-repeating FRBs may be produced at the time of a merger of binary neutron stars (BNS), provided that the BNS merger rate is close to the high end of the…

High Energy Astrophysical Phenomena · Physics 2018-04-18 Shotaro Yamasaki , Tomonori Totani , Kenta Kiuchi

Fast radio bursts (FRBs) are fierce radio flashes from the deep sky. Abundant observations have indicated that highly magnetized neutron stars might be involved in these energetic bursts, but the underlying trigger mechanism is still…

One scenario for the generation of fast radio bursts (FRBs) is magnetic reconnection in a current sheet of the magnetar wind. Compressed by a strong magnetic pulse induced by a magnetar flare, the current sheet fragments into a self-similar…

High Energy Astrophysical Phenomena · Physics 2022-06-22 J. F. Mahlmann , A. A. Philippov , A. Levinson , A. Spitkovsky , H. Hakobyan

Since the discovery of FRB 200428 associated with the Galactic SGR 1935+2154, magnetars are considered to power fast radio bursts (FRBs). It is widely believed that magnetars could form by core-collapse (CC) explosions and compact binary…

High Energy Astrophysical Phenomena · Physics 2021-02-17 Z. Y. Zhao , G. Q. Zhang , Y. Y. Wang , Z. L. Tu , F. Y. Wang

Fast Radio Bursts (FRBs) are transient sources that emit a single radio pulse with a duration of only a few milliseconds. Since the discovery of the first FRB in 2007, tens of similar events have been detected. However, their physical…

High Energy Astrophysical Phenomena · Physics 2019-01-25 B. Marcote , Z. Paragi

A luminous radio burst was recently detected in temporal coincidence with a hard X-ray flare from the Galactic magnetar SGR 1935+2154 with a time and frequency structure consistent with cosmological fast radio bursts (FRB) and a fluence…

High Energy Astrophysical Phenomena · Physics 2020-08-26 Ben Margalit , Paz Beniamini , Navin Sridhar , Brian D. Metzger

Fast radio bursts (FRBs) are millisecond radio pulses with extremely high bright temperature. Their physical origin is still a mystery. The discovery of FRB 20020428 supports the idea that at least a portion of FRBs is generated by…

High Energy Astrophysical Phenomena · Physics 2025-07-23 H. T. Lan , S. X. Yi , F. Y. Wang

The newly discovered second repeating fast radio burst (FRB) source, FRB 180814.J0422+73, was reported to exhibit a time-frequency downward drifting pattern, which is also seen in the first repeater FRB 121102. We propose a generic…

High Energy Astrophysical Phenomena · Physics 2019-05-15 Weiyang Wang , Bing Zhang , Xuelei Chen , Renxin Xu

Some repeating fast radio burst (FRB) sources show high burst rates, and the physical origin is still unknown. Outstandingly, the first repeater FRB 121102 appears extremely high burst rate with the maximum value reaching…

High Energy Astrophysical Phenomena · Physics 2022-09-21 Qiao-Chu Li , Yuan-Pei Yang , F. Y. Wang , Kun Xu , Zi-Gao Dai

In this paper we propose that a fast radio burst (FRB) could originate from the magnetic interaction between double neutron stars (NSs) during their final inspiral within the framework of a unipolar inductor model. In this model, an…

High Energy Astrophysical Phenomena · Physics 2016-05-04 Jie-Shuang Wang , Yuan-Pei Yang , Xue-Feng Wu , Zi-Gao Dai , Fa-Yin Wang

We propose a new model for Fast Radio Bursts (FRBs) based on a sudden discharge of a charged young magnetar, caused by the short falling timescale of oppositely charged particles onto the magnetar. In this scenario, curvature radiation is…

High Energy Astrophysical Phenomena · Physics 2021-12-21 Marcio G. B. de Avellar , Pedro P. B. Beaklini , Sílvia P. Nunes , Pedro H. R. S. Moraes , Manuel Malheiro

Popular models of repeating Fast Radio Bursts (and perhaps of all Fast Radio Bursts) involve neutron stars because of their high rotational or magnetostatic energy densities. These models take one of two forms: giant but rare pulsar-like…

High Energy Astrophysical Phenomena · Physics 2020-03-04 J. I. Katz

Fast Radio Bursts (FRBs) are bright radio transients with millisecond durations which typically occur at extragalactic distances. The association of FRB 20200428 with the Galactic magnetar SGR J1935+2154 strongly indicates that they could…

High Energy Astrophysical Phenomena · Physics 2024-12-13 Chen Du , Yong-Feng Huang , Zhi-Bin Zhang , Alexander Rodin , Viktoriya Fedorova , Abdusattar Kurban , Di Li

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…

A bright radio burst was newly discovered in SGR 1935+2154, which exhibit some FRB-like temporal- and frequency-properties, suggesting a neutron star (NS)/magnetar magnetospheric origin of FRBs. We propose an explanation of the temporal-…

High Energy Astrophysical Phenomena · Physics 2020-08-26 Wei-Yang Wang , Renxin Xu , Xuelei Chen

Recent studies of fast radio bursts (FRBs) have led to many theories associating them with young neutron stars. If this is the case, then the presence of supernova ejecta and stellar winds provide a changing dispersion measure (DM) and…

High Energy Astrophysical Phenomena · Physics 2018-08-01 Anthony L. Piro , B. M. Gaensler

It is widely believed that magnetars could be born in core-collapse supernovae (SNe), binary neutron star (BNS) or binary white dwarf (BWD) mergers, or accretion-induced collapse (AIC) of white dwarfs. In this paper, we investigate whether…

High Energy Astrophysical Phenomena · Physics 2020-04-15 Shu-Qing Zhong , Zi-Gao Dai

Fast radio bursts (FRBs) are bright millisecond radio bursts at cosmological distances. Only a small fraction of FRBs apparently repeat. Polarization, a fundamental property of electromagnetic signals, often carries critical information…

High Energy Astrophysical Phenomena · Physics 2022-12-13 Yi Feng , Yong-Kun Zhang , Di Li , Yuan-Pei Yang , Pei Wang , Chen-Hui Niu , Shi Dai , Ju-Mei Yao
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