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A simulation study of the propagation of whistler-mode chorus in the Earth's inner magnetosphere
Katoh, Yuto
We study the propagation of whistler-mode chorus in the magnetosphere by a spatially two-dimensional simulation code in the dipole coordinates. We set the simulation system so as to assume the outside of the plasmapause, corresponding to the radial distance from 3.9 to 4.1 RE in the equatorial plane and the latitudinal range from ‑15° t…
The propagation of ULF waves from the Earth's foreshock region to ground: the case study of 15 February 2009
Regi, Mauro; De Lauretis, Marcello; Francia, Patrizia +1 more
A long-duration upstream ultralow frequency (ULF) wave event was detected on 15 February 2009 by Cluster satellites, close to the bow shock nose. A clear wave activity was identified when the interplanetary magnetic field orientation was favorable to the local generation. We examined the wave properties in both the solar wind and the spacecraft fr…
Concentration of electrostatic solitary waves around magnetic nulls within magnetic reconnection diffusion region: single-event-based statistics
Li, Shiyou; Zhang, Shifeng; Cai, Hong +1 more
It is important to study the 'concentrated' electrostatic solitary waves/structures (ESWs) associated with the magnetic reconnection. In the literature published as regards this topic, very few studies have reported the observation of such a large number of ESWs in a single magnetic reconnection event. In this work, we report our observation of a …
Study of plasma flow reversal in the near-Earth plasma sheet using numerical computations
Kondoh, Koji; Shimizu, Tohru
Tailward flow in the near-Earth plasma sheet associated with a rebound of the earthward bursty bulk flow (BBF) is investigated using three-dimensional magnetohydrodynamics simulations of magnetic reconnection in the magnetotail on the basis of the spontaneous fast reconnection model. In order to investigate the properties of this tailward flow, vi…