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Title: Kinetic Alfvén waves and particle response associated with a shock-induced, global ULF perturbation of the terrestrial magnetosphere

Journal Article · · Geophysical Research Letters
DOI:https://doi.org/10.1002/2015GL065935· OSTI ID:1402591
 [1];  [2];  [3];  [1];  [1];  [1];  [4]; ORCiD logo [5];  [6]
  1. Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder Colorado USA
  2. Space Sciences Department, Aerospace Corporation, El Segundo California USA
  3. The Johns Hopkins University Applied Physics Laboratory, Laurel Maryland USA
  4. School of Physics and Astronomy, University of Minnesota, Minneapolis Minnesota USA
  5. Los Alamos National Laboratory, Los Alamos New Mexico USA
  6. Department of Physics and Astronomy, University of Iowa, Iowa City Iowa USA

On 2 October 2013, the arrival of an interplanetary shock compressed the Earth's magnetosphere and triggered a global ULF (ultra low frequency) oscillation. Furthermore, the Van Allen Probe B spacecraft observed this large-amplitude ULF wave in situ with both magnetic and electric field data. Broadband waves up to approximately 100 Hz were observed in conjunction with, and modulated by, this ULF wave. Detailed analysis of fields and particle data reveals that these broadband waves are Doppler-shifted kinetic Alfvén waves. This event then suggests that magnetospheric compression by interplanetary shocks can induce abrupt generation of kinetic Alfvén waves over large portions of the inner magnetosphere, potentially driving previously unconsidered wave-particle interactions throughout the inner magnetosphere during the initial response of the magnetosphere to shock impacts.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE; National Aeronautics and Space Administration (NASA)
Grant/Contract Number:
AC52-06NA25396; NAS5-01072
OSTI ID:
1402591
Report Number(s):
LA-UR-15-27236; TRN: US1702872
Journal Information:
Geophysical Research Letters, Vol. 42, Issue 21; ISSN 0094-8276
Publisher:
American Geophysical UnionCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

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Cited By (4)

Interaction of ULF waves with different ion species: Pitch angle and phase space density implications: ULF WAVES INTERACING WITH DIFFERENT IONS journal October 2016
A Census of Plasma Waves and Structures Associated With an Injection Front in the Inner Magnetosphere: BOUNDARY WAVE CASE STUDY journal April 2018
Recent Advancements and Remaining Challenges Associated With Inner Magnetosphere Cross‐Energy/Population Interactions (IMCEPI) journal February 2019
Resonant instabilities of kinetic Alfvén waves in the Earth's magnetosphere with superthermal electrons journal November 2019

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