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Related papers: Fast Radio Bursts and Interstellar Objects

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Fast radio bursts (FRBs) are astrophysical transients of still debated origin. So far several hundred events have been detected, mostly at extragalactic distances, and this number is expected to grow significantly over the next years. The…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-30 Robert Reischke , Steffen Hagstotz , Robert Lilow

Eighteen years after their discovery, the astronomical sources and radiation mechanisms of fast radio bursts remain mysterious. Their radiation is as bright as that of pulsars, with brightness temperatures as high as $\sim 10^{36}$ K,…

High Energy Astrophysical Phenomena · Physics 2025-10-23 J. I. Katz

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

The repeating fast radio burst (FRB) localized to a globular cluster in M81 challenges our understanding of FRB models. In this Letter, we explore dynamical formation scenarios for objects in old globular clusters that may plausibly power…

High Energy Astrophysical Phenomena · Physics 2021-08-18 Kyle Kremer , Anthony L. Piro , Dongzi Li

Fast radio bursts (FRBs) are millisecond-duration radio signals from unknown cosmic origin. Many models associate FRBs with high-energy astrophysical objects such as magnetars. In this attempt to find counterparts to FRBs, we explore…

High Energy Astrophysical Phenomena · Physics 2023-09-07 Halim Ashkar , Mehdi El Bouhaddouti , Stephen Fegan , Fabian Schüssler

Fast radio bursts are extragalactic, sub-millisecond radio impulses of unknown origin [1,2]. Their dispersion measures, which quantify the observed frequency-dependent dispersive delays in terms of free-electron column densities,…

High Energy Astrophysical Phenomena · Physics 2019-07-16 Vikram Ravi

Fast radio bursts can be caused by some phenomena related to 'new physics'.One of the most prominent candidates of the kind are axion Bose stars which can engender bursts when undergoing conversion into photons in magnetospheres of neutron…

High Energy Astrophysical Phenomena · Physics 2020-05-07 Maxim S. Pshirkov

The puzzling mechanism of coherent radio emission remains unknown, but fortunately, repeating fast radio bursts (FRBs) provide a precious opportunity, with extremely bright subpulses created in a clear and vacuum-like pulsar magnetosphere.…

High Energy Astrophysical Phenomena · Physics 2023-12-12 Renxin Xu , Weiyang Wang

FRBs are puzzling, millisecond, energetic radio transients with no discernible source; observations show no counterparts in other frequency bands. The birth of a quark star from a parent neutron star experiencing a quark nova - previously…

High Energy Astrophysical Phenomena · Physics 2016-05-25 Zachary Shand , Amir Ouyed , Nico Koning , Rachid Ouyed

We have proposed a model of a progenitor of fast radio bursts (FRBs): The FRBs are emitted by electrons in atmospheres of neutron stars when neutron stars collide with dark matter axion stars. We reexamine the model by taking account of the…

High Energy Physics - Phenomenology · Physics 2015-12-22 Aiichi Iwazaki

Fast radio bursts (FRBs) are intense bursts of radio emission with durations of milliseconds. Although researchers have found them happening frequently all over the sky, they are still in the dark to understand what causes the phenomena…

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…

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…

High Energy Astrophysical Phenomena · Physics 2025-08-06 Parsa Kafashi , Sohrab Rahvar

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

The origin of fast radio bursts (FRBs) is currently an open question with several proposed sources and corresponding mechanisms for their production. Among them are compact binary coalescences (CBCs) that also generate gravitational waves…

High Energy Astrophysical Phenomena · Physics 2023-12-13 Mukesh Kumar Singh , Shasvath J. Kapadia , Soummyadip Basak , Parameswaran Ajith , Shriharsh P. Tendulkar

Although fast radio bursts (FRBs) have been an active field in astronomy and cosmology, their origin is still unknown to date. One of the interesting topics is the classification of FRBs, which is closely related to the origin of FRBs.…

High Energy Astrophysical Phenomena · Physics 2022-07-12 Han-Yue Guo , Hao Wei

If primordial black holes with masses of $10^{25}\,\mbox{g}\gtrsim m \gtrsim 10^{17}\,\mbox{g}$ constitute a non-negligible fraction of the galactic dark-matter haloes, their existence should have observable consequences: they necessarily…

High Energy Astrophysical Phenomena · Physics 2018-11-28 Marek A. Abramowicz , Michał Bejger , Maciek Wielgus

Fast radio bursts (FRBs) offer a powerful probe of the ionized Universe through their dispersion measures (DM). While a significant fraction of the DM arises from the intergalactic medium (IGM), the contributions from the host galaxy and…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-13 Gunalan Muthusami , Gopal Kashyap

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…

High Energy Astrophysical Phenomena · Physics 2017-09-08 E. Petroff
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