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Showing 1–7 of 7 results
Advanced filters: Author: Vassilis Angelopoulos Clear advanced filters

  • Mechanisms responsible for the electron acceleration to near relativistic energies in Earth’s foreshock remains elusive. Here, the authors show that the combination of resonant scattering by distinct wave modes with known acceleration mechanisms explains the formation of observed electron fluxes up to and above 200 keV.

    • Xiaofei Shi
    • Anton Artemyev
    • Lynn B. Wilson III
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • Geomagnetic storms driven by the solar wind can cause a dramatic drop in the flux of high-energy electrons in the Earth’s outer Van Allen belt. Analysis of data obtained during such an event by three different sets of spacecraft suggests that these electrons are directed into space rather than lost to the atmosphere.

    • Drew L. Turner
    • Yuri Shprits
    • Vassilis Angelopoulos
    Research
    Nature Physics
    Volume: 8, P: 208-212

  • Chorus waves are crucial on radiation belt dynamics in the space of magnetized planets. Here, the authors show that initially excited single-band chorus waves can quickly accelerate medium energy electrons, and divide the anisotropic electrons into low and high energy components, which subsequently excite two-band chorus waves.

    • Jinxing Li
    • Jacob Bortnik
    • Daniel N. Baker
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Energetic electron densities in the radiation belt increases during geomagnetic storms. Here, the authors show oblique whistler mode waves enhance electron losses and create strong fluxes of about 100 keV electrons precipitating into the atmosphere, that should be considered in radiation belt models.

    • Xiao-Jia Zhang
    • Anton Artemyev
    • Ayako Matsuoka
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Magnetic reconnection in the near-Earth magnetotail is observed to power a space storm, although suppression of magnetic reconnection caused by the Earth’s magnetic dipole was expected close to Earth.

    • Vassilis Angelopoulos
    • Anton Artemyev
    • Yukinaga Miyashita
    Research
    Nature Physics
    Volume: 16, P: 317-321

  • Lunar tides affect Earth’s oceans and its geomagnetic field. Multisatellite observations demonstrate that they also impact the plasmasphere.

    • Chao Xiao
    • Fei He
    • Zhao Zhang
    ResearchOpen Access
    Nature Physics
    Volume: 19, P: 486-491