The lobe to plasma sheet boundary layer transition: Theory and observations | Zendy

Schriver D. | Zendy; AshourAbdalla M. | Zendy; Treumann R. | Zendy; Nakamura M. | Zendy; Kistler L. M. | Zendy

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The lobe to plasma sheet boundary layer transition: Theory and observations

Author(s) -

Schriver D.,

AshourAbdalla M.,

Treumann R.,

Nakamura M.,

Kistler L. M.

Publication year - 1990

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl017i011p02027

Subject(s) - plasma sheet , plasma , boundary layer , physics , atomic physics , ion , proton , magnetosphere , geophysics , computational physics , mechanics , nuclear physics , quantum mechanics

The lobe and the plasma sheet boundary layer in the Earth's magnetotail are regions of different plasma conditions and share a common interface. The transition from the lobe to the plasma sheet boundary layer is examined here using AMPTE/IRM data. When the satellite crossed from the lobe to the plasma sheet boundary layer, intense narrow banded wave bursts at 1 kHz were observed and then broadband electrostatic noise (BEN) immediately followed. Simultaneous with the onset of BEN, high energy earthward streaming proton beams at > 40 keV (> 2700 km/s) were detected. These results are used as input into a numerical simulation to study ion beam instabilities in the PSBL.

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