Spacecraft Observations and Theoretical Understanding of Slow Electron Holes

Sergey R. Kamaletdinov, Ian H. Hutchinson, Ivan Y. Vasko, Anton V. Artemyev, Ajay Lotekar, and Forrest Mozer
Phys. Rev. Lett. 127, 165101 – Published 15 October 2021
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Abstract

We present Magnetospheric Multiscale observations showing large numbers of slow electron holes with speeds clustered near the local minimum of double-humped velocity distribution functions of background ions. Theoretical computations show that slow electron holes can avoid the acceleration that otherwise prevents their remaining slow only under these same circumstances. Although the origin of the slow electron holes is still elusive, the agreement between observation and theory about the conditions for their existence is remarkable.

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  • Received 8 May 2021
  • Revised 15 August 2021
  • Accepted 7 September 2021

DOI:https://doi.org/10.1103/PhysRevLett.127.165101

© 2021 American Physical Society

Physics Subject Headings (PhySH)

Plasma Physics

Authors & Affiliations

Sergey R. Kamaletdinov*

  • Space Research Institute, Moscow 117997, Russia and Department of Physics, Moscow State University, Moscow 119234, Russia

Ian H. Hutchinson

  • Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

Ivan Y. Vasko

  • Space Sciences Laboratory, University of California at Berkeley, Berkeley, California 94720, USA and Space Research Institute of Russian Academy of Sciences, Moscow 117997, Russia

Anton V. Artemyev

  • University of California, Los Angeles, Los Angeles, California 90095, USA and Space Research Institute of Russian Academy of Sciences, Moscow 117997, Russia

Ajay Lotekar

  • Swedish Institute of Space Physics, Uppsala 752 37, Sweden

Forrest Mozer

  • Space Sciences Laboratory, University of California at Berkeley, Berkeley, California 94720, USA and Department of Physics, University of California at Berkeley, Berkeley, California 94720, USA

  • *Serjesmail@gmail.com

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Issue

Vol. 127, Iss. 16 — 15 October 2021

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