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Article
Open AccessDetection of magnetospheric ion drift patterns at Mars
Mars lacks a global magnetic field, and instead possesses small-scale crustal magnetic fields, making its magnetic environment fundamentally different from intrinsic magnetospheres like those of Earth or Satur...
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Article
Open AccessEvidence for lunar tide effects in Earth’s plasmasphere
Tides are universal and affect spatially distributed systems, ranging from planetary to galactic scales. In the Earth–Moon system, effects caused by lunar tides were reported in the Earth’s crust, oceans, neut...
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Article
Magnetotail dipolarization fronts and particle acceleration: A review
In this paper, the particle acceleration processes around magnetotail dipolarization fronts (DFs) were reviewed. We summarize the spacecraft observations (including Cluster, THEMIS, MMS) and numerical simulati...
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Article
Monte Carlo simulations of the sensor head of imaging energetic electron spectrometer onboard a Chinese IGSO navigation satellite
An imaging energetic electron spectrometer built by the Peking University team (BD-IES) onboard a Chinese navigation satellite in an inclined GEO orbit has been launched successfully in September 2015, which m...
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Article
Open AccessExplosive Magnetotail Activity
Modes and manifestations of the explosive activity in the Earth’s magnetotail, as well as its onset mechanisms and key pre-onset conditions are reviewed. Two mechanisms for the generation of the pre-onset curr...
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Article
Imaging energetic electron spectrometer onboard a Chinese navigation satellite in the inclined GEO orbit
The energetic electron measurement is one of the most important issues to understand dynamics in space physics and the applications for space weather. In this study, the principle and functional components of ...
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Article
Test particle simulation on the ion and electron zebra stripes and their time evolution in inner radiation belt
During February 15–16, 2014, the energetic electron spectrogram for four successive inner radiation belt crossing show clearly the electron zebra structures and their time evolution which last for about 17 h. ...
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Article
The interaction of ultra-low-frequency pc3-5 waves with charged particles in Earth’s magnetosphere
One of the most important issues in space physics is to identify the dominant processes that transfer energy from the solar wind to energetic particle populations in Earth’s inner magnetosphere. Ultra-low-freq...
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Article
Ultralow frequency wave characteristics extracted from particle data: Application of IGSO observations
Interaction between ultralow frequency (ULF) waves and charged particles plays an important role in the acceleration of particles in the Van Allen radiation belts. The strong wave-particle interaction predicts...
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Article
Radial propagation of magnetospheric substorm-injected energetic electrons observed using a BD-IES instrument and Van Allen Probes
In cases where substorm injections can be observed simultaneously by multiple spacecraft, they can help elucidate the potential mechanisms of particle transport and energization, of great importance to underst...
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Article
THEMIS statistical study on the plasma properties of high-speed flows in Earth’s magnetotail
Using Time History of Events and Macroscale Interactions during Substorms (THEMIS) observations from 2007 to 2011 tail seasons, we study the plasma properties of high speed flows (HSFs) and background plasma s...
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Chapter and Conference Paper
An Ontology-Based System for Generating Mathematical Test Papers
Automatic test paper generation is highly helpful in teaching and learning. In order to generate a test paper that covers as many knowledge points as possible, it is needed to discover knowledge points from ex...
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Chapter and Conference Paper
A System for Tractable Computation of Negative Answers to Conjunctive Queries
Users of conjunctive query answering (CQA) in description logic (DL) ontologies may often confront a problem that there are insufficiently many or even no certain answers to a given conjunctive query (CQ). It ...
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Article
Coordinated Cluster/Double Star observations of dayside flux transfer events on 6 April 2004
With the Double Star Program TC1 in the equatorial orbit and Cluster tetrahedron in the high latitude polar orbit, a conjunct observation of FTEs on the dayside magnetopause (MP) on April 6, 2004 is presented ...
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Article
Numerical study on ULF waves in a dipole field excited by sudden impulse
A three-dimensional numerical model is employed to investigate ULF waves excited by the sudden impulse (SI) of the solar wind dynamic pressure interacting with a dipole magnetosphere. We focus on the solar win...
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Article
Multi-spacecraft observations of ULF waves during the recovery phase of magnetic storm on October 30, 2003
Based on observations obtained by Cluster C1, GOES 10, 12, and Polar, the global ULF wave properties are studied during the recovery phase of a very intense magnetic storm-Halloween storm (October 31, 2003, 21...
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Article
Roles of initial current carrier in the distribution of field-aligned current in 3-D Hall MHD simulations
A three-dimensional (3-D) Hall MHD simulation is carried out to study the roles of initial current carrier in the topology of magnetic field, the generation and distribution of field aligned currents (FACs), a...
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Article
Effect of upward ion on field-aligned currents in the near-earth magnetotail
A 3-dimensional resistive MHD simulation was carried out to study the effect of the upward ions on the field-aligned currents (FACs) in the near-earth magnetotail. The simulation results show that the up-flow ...
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Article
Formation of the storm-time ring current
An extensive study of ring current injection and intensification of the storm-time symmetric ring current is conducted with three-dimensional (3-D) test particle trajectory calculations (TPTCs) in this paper. ...
