Emission mechanisms of fast radio bursts

Research output: Contribution to journalReview articlepeer-review


Fast radio bursts (FRBs) are recently discovered mysterious single pulses of radio emission, mostly coming from cosmological distances (∼1 Gpc). Their short duration, ∼1 ms, and large lumi-nosity demonstrate coherent emission. I review the basic physics of coherent emission mechanisms proposed for FRBs. In particular, I discuss the curvature emission of bunches, the synchrotron maser, and the emission of radio waves by variable currents during magnetic reconnection. Special attention is paid to magnetar flares as the most promising sources of FRBs. Non-linear effects are outlined that could place bounds on the power of the outgoing radiation.

Original languageEnglish
Article number56
Issue number3
StatePublished - 1 Jan 2021


  • Neutron stars
  • Non-thermal emission mechanisms
  • Plasmas
  • Reconnection
  • Shock waves

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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