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By assuming the inverse square law of solar wind plasma density as representative of other stars, it is shown that just outside a star the {\it outward} deflection of a passing radio signal at $\nu\approx 1$~GHz (which is capable of…

高能天体物理现象 · 物理学 2025-08-11 Richard Lieu

Fast radio bursts (FRBs) are quickly becoming a subject of intense interest in time-domain astronomy. The progenitors of FRBs remain unknown but a wide variety of models exist from cataclysmic to repeating scenarios. Advances in FRB…

高能天体物理现象 · 物理学 2017-09-08 E. Petroff

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…

高能天体物理现象 · 物理学 2015-12-29 Z. Zheng , E. O. Ofek , S. R. Kulkarni , J. D. Neill , M. Juric

Fast radio bursts are mysterious millisecond-duration transients prevalent in the radio sky. Rapid accumulation of data in recent years has facilitated an understanding of the underlying physical mechanisms of these events. Knowledge gained…

高能天体物理现象 · 物理学 2020-11-11 Bing Zhang

The origin of fast radio bursts (FRBs) is still unknown. Multi-wavelength observations during or shortly after the FRB phase would be essential to identify the counterpart of an FRB and to constrain its progenitor and environment. In this…

高能天体物理现象 · 物理学 2019-06-26 Yuan-Pei Yang , Bing Zhang , Jian-Yan Wei

Fast radio bursts are brief, highly dispersed bursts detected in the radio band, originating from cosmological distances. The only such event detected in the Milky Way galaxy, FRB 20200428DD, was associated with an X-ray burst emitted by a…

高能天体物理现象 · 物理学 2024-10-04 Bing Zhang

We propose a new model for the origin of Fast Radio Bursts (FRBs), attributing these phenomena to sudden discharges of accumulated electric charge in the accretion disk of compact objects such as black holes. Our framework demonstrates how…

高能天体物理现象 · 物理学 2025-08-06 Parsa Kafashi , Sohrab Rahvar

Fast radio bursts (FRBs) are astrophysical transients of currently unknown origin, and so far several events have been detected at extragalactic distances. The dispersion measure (DM) of the radio signal is a probe of the integrated…

宇宙学与河外天体物理 · 物理学 2021-01-13 Robert Reischke , Steffen Hagstotz , Robert Lilow

Fast radio bursts (FRBs) are micro-to-millisecond duration radio transients that originate mostly from extragalactic distances. The emission mechanism responsible for these high luminosity, short duration transients remains debated. The…

Fast radio bursts (FRBs) are a recently discovered class of GHz-band, ms-duration, Jy-level-flux astrophysical transients, which origin is still a mystery. Exploring their gamma-ray counterpart is crucial for constraining their origin and…

高能天体物理现象 · 物理学 2023-07-05 G. Principe , L. Di Venere , M. Negro , N. Di Lalla , N. Omodei , R. Di Tria , M. N. Mazziotta , F. Longo

Fast Radio Bursts (FRBs) are millisecond-duration events detected from beyond the Milky Way. FRB emission characteristics favor highly magnetized neutron stars, or magnetars, as the sources, as evidenced by FRB-like bursts from a galactic…

Fast radio bursts (FRBs) are one of the most tantalizing mysteries of the radio sky; their progenitors and origins remain unknown and until now no rapid multiwavelength follow-up of an FRB has been possible. New instrumentation has…

Fast radio bursts (FRBs) are cosmological radio transients with unclear generation mechanism. Known characteristics such as their luminosity, duration, spectrum and repetition rate, etc. suggest that FRBs are powerful coherent radio signals…

高能天体物理现象 · 物理学 2022-05-04 Yu Zhang , Hui-Chun Wu

We use the observed properties of fast radio bursts (FRBs) and a number of general physical considerations to provide a broad-brush model for the physical properties of FRB sources and the radiation mechanism. We show that the magnetic…

高能天体物理现象 · 物理学 2017-05-03 Pawan Kumar , Wenbin Lu , Mukul Bhattacharya

Fast Radio Bursts (FRBs) are extreme astrophysical phenomena entering the realm of non-linear optics, a field developed in laser physics. A classical non-linear effect is self-modulation. We examine the propagation of FRBs through the…

高能天体物理现象 · 物理学 2020-10-28 Emanuele Sobacchi , Yuri Lyubarsky , Andrei M. Beloborodov , Lorenzo Sironi

Fast radio bursts (FRBs) are millisecond-duration extragalactic radio transients, some of which are associated with compact persistent radio sources (PRSs), hinting at a physical connection. While several models have been proposed to…

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…

高能天体物理现象 · 物理学 2022-06-22 J. F. Mahlmann , A. A. Philippov , A. Levinson , A. Spitkovsky , H. Hakobyan

Fast Radio Bursts (FRBs) are highly energetic, extremely short-lived bursts of radio flashes. Despite extensive research, the exact cause of these outbursts remains speculative. The high luminosity, short duration, and high dispersion…

高能天体物理现象 · 物理学 2025-08-26 F. Aharonian , A. Archaryya , J. Aschersleben , H. Ashkar , M. Backes , V. Barbosa. Martins , R. Batzofin , Y. Becherini , D. Berge , K. Bernlöhr , M. Böttcher , C. Boisson , J. Bolmont , M. de. Bony. de. Lavergne , J. Borowska , F. Bradascio , R. Brose , A. Brown , F. Brun , B. Bruno , C. Burger-Scheidlin , S. Casanova , J. Celic , M. Cerruti , T. Chand , S. Chandra , A. Chen , J. Chibueze , O. Chibueze , J. Damascene. Mbarubucyeye , J. de. Assis. Scarpin , A. Djannati-Ataï , J. Djuvsland , A. Dmytriiev , K. Egberts , S. Einecke , J. -P. Ernenwein , C. Escañuela. Nieves , M. Filipovic , G. Fontaine , S. Funk , S. Gabici , J. F. Glicenstein , J. Glombitza , G. Grolleron , B. Heß , W. Hofmann , T. L. Holch , M. Holler , D. Horns , Zhiqiu. Huang , A. Jaitly , M. Jamrozy , F. Jankowsky , I. Jung-Richardt , E. Kasai , K. Katarzyński , D. Kerszberg , R. Khatoon , B. Khélifi , W. Kluźniak , Nu. Komin , K. Kosack , D. Kostunin , A. Kundu , R. G. Lang , S. Le. Stum , A. Lemière , M. Lemoine-Goumard , J. -P. Lenain , A. Luashvili , J. Mackey , D. Malyshev , V. Marandon , R. Marx , A. Mehta , M. Meyer , A. Mitchell , R. Moderski , M. O. Moghadam , E. Moulin , M. de. Naurois , J. Niemiec , P. O'Brien , L. Olivera-Nieto , E. de. Ona. Wilhelmi , M. Ostrowski , S. Panny , M. Panter , R. D. Parsons , U. Pensec , S. Pita , G. Pühlhofer , M. Punch , A. Quirrenbach , S. Ravikularaman , M. Regeard , O. Reimer , H. Ren , B. Reville , F. Rieger , G. Rowell , B. Rudak , K. Sabri , V. Sahakian , H. Salzmann , A. Santangelo , M. Sasaki , J. Schäfer , F. Schüssler , H. M. Schutte , J. N. S. Shapopi , A. Sharma , S. Spencer , Ł. Stawarz , R. Steenkamp , S. Steinmassl , C. Steppa , T. Takahashi , T. Tanaka , M. Tsirou , C. van. Eldik , M. Vecchi , C. Venter , T. Wach , S. J. Wagner , A. Wierzcholska , A. A. Zdziarski , A. Zech , N. Żywucka

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…

高能天体物理现象 · 物理学 2016-03-23 M. Caleb , C. Flynn , M. Bailes , E. D. Barr , R. W. Hunstead , E. F. Keane , V. Ravi , W. van Straten

Fast radio bursts (FRBs) are enigmatic millisecond-duration signals which encode otherwise unattainable information on the plasma which permeates our Universe, providing insights into magnetic fields and gas distributions. Here we report…