Results 61 to 70 of about 2,661,724 (245)

Parametric analysis of pitch angle scattering and losses of relativistic electrons by oblique EMIC waves

Frontiers in Astronomy and Space Sciences, 2023
This study analyzes the effects of electromagnetic ion cyclotron (EMIC) waves on relativistic electron scattering and losses in the Earth’s outer radiation belt.
M. Hanzelka, Wen Li, Q. Ma
semanticscholar   +1 more source

Energy Exchange Between Electromagnetic Ion Cyclotron (EMIC) Waves and Thermal Plasma: From Theory to Observations

Frontiers in Astronomy and Space Sciences, 2021
The cold plasmaspheric plasma, the ring current and the radiation belts constitute three important populations of the inner magnetosphere. The overlap region between these populations gives rise to wave-particle interactions between different plasma ...
M. E. Usanova
doaj   +1 more source

Observations of Radiation Belt Losses Due to Cyclotron Wave-Particle Interactions [PDF]

, 2020
Electron loss to the atmosphere plays a critical role in driving dynamics of the Earths Van Allen radiation belts and slot region. This is a review of atmospheric loss of radiation belt electrons caused by plasma wave scattering via Doppler-shifted ...
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core   +2 more sources

Inferring magnetospheric heavy ion density using EMIC waves [PDF]

Journal of Geophysical Research: Space Physics, 2015
AbstractWe present a method to infer heavy ion concentration ratios from electromagnetic ion cyclotron (EMIC) wave observations that result from ion‐ion hybrid (IIH) resonance. A key feature of the IIH resonance is the concentration of wave energy in a field‐aligned resonant mode that exhibits linear polarization.
Eun‐Hwa Kim, Jay R. Johnson, Hyomin Kim, Dong‐Hun Lee   +3 more
openaire   +1 more source

Evidence of sub-MeV EMIC-driven electron precipitation [PDF]

, 2017
Electromagnetic ion cyclotron (EMIC) waves are potentially important drivers of the loss of energetic electrons from the radiation belts. Numerous theoretical calculations exist with conflicting predictions of one of the key parameters: the minimum ...
Aaron T. Hendry, Craig J. Rodger, Evans D. S., Mark A. Clilverd   +3 more
core   +2 more sources

Excitation of EMIC waves detected by the Van Allen Probes on 28 April 2013 [PDF]

, 2014
We report the wave observations, associated plasma measurements, and linear theory testing of electromagnetic ion cyclotron (EMIC) wave events observed by the Van Allen Probes on 28 April 2013.
Allen, R. C., Funsten, H. O., Jordanova, V K, Kistler, Lynn M., Kletzing, C A., Kurth, W. S., Larsen, Bradford, Mouikis, Christoforos, Reeves, Geoffrey, Saiken, A A, Skoug, R. M., Smith, Charles W., Spence, Harlan E., Torbert, Roy B., Zhang, J. C.   +14 more
core   +2 more sources

The Electromagnetic Ion Cyclotron Instability Affected by the Temperature Anisotropic Electrons in the Inner Magnetosphere

Geophysical Research Letters, 2023
Electromagnetic ion cyclotron (EMIC) instabilities in the inner magnetosphere are investigated with considering the effect of temperature anisotropic electrons.
Zhiqiang Wang, Lingwei Zhang, Jiacheng Zhong   +2 more
doaj   +1 more source

Modeling inward diffusion and slow decay of energetic electrons in the Earth\u27s outer radiation belt [PDF]

, 2015
A new 3-D diffusion code is used to investigate the inward intrusion and slow decay of energetic radiation belt electrons (\u3e0.5 MeV) observed by the Van Allen Probes during a 10 day quiet period on March 2013.
Angelopoulos, V., Baker, D. N., Blake, J. B., Claudepierre, S., Fennell, J. F., Henderson, M. G., Hospodarsky, G. B., Kletzing, C A., Kurth, W. S., Li, W., Ma, Q., Ni, B., Reeves, Geoffrey, Spence, Harlan E., Thorne, R. M.   +14 more
core   +4 more sources

EMIC wave parameterization in the long‐term VERB code simulation [PDF]

Journal of Geophysical Research: Space Physics, 2017
AbstractElectromagnetic ion cyclotron (EMIC) waves play an important role in the dynamics of ultrarelativistic electron population in the radiation belts. However, as EMIC waves are very sporadic, developing a parameterization of such wave properties is a challenging task.
A. Y. Drozdov, Y. Y. Shprits, M. E. Usanova, N. A. Aseev, A. C. Kellerman, H. Zhu   +5 more
openaire   +4 more sources

The modulation of electromagnetic ion cyclotron waves by Pc 5 ULF waves [PDF]

Annales Geophysicae, 2009
The modulation of electromagnetic ion cyclotron (EMIC) waves by longer-period ULF waves has been proposed as a method for producing pearl structured Pc 1–2 EMIC waves.
T. M. Loto'aniu, T. M. Loto'aniu, B. J. Fraser, C. L. Waters   +3 more
doaj   +1 more source