Kamaletdinov SR, Hutchinson IH, Vasko IY, Artemyev AV, Lotekar A, Mozer F. Spacecraft Observations and Theoretical Understanding of Slow Electron Holes.
PHYSICAL REVIEW LETTERS 2021;
127:165101. [PMID:
34723586 DOI:
10.1103/physrevlett.127.165101]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 08/15/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
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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