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Fast magnetosonic waves driven by shell velocity distributions 

Min, Kyungguk; Liu, Kaijun; 0000-0001-5882-1328 (2022-09-29)
Using linear dispersion theory and particle-in-cell simulations, we explore the ion Bernstein instability driven by the shell-type ion velocity distribution which is related to the excitation of fast magnetosonic waves in ...

Fast magnetosonic waves driven by shell velocity distributions 

Min, Kyungguk; Liu, Kaijun; 0000-0001-5882-1328 (2022-09-29)
Using linear dispersion theory and particle-in-cell simulations, we explore the ion Bernstein instability driven by the shell-type ion velocity distribution which is related to the excitation of fast magnetosonic waves in ...

Fast magnetosonic waves driven by shell velocity distributions 

Min, Kyungguk; Liu, Kaijun; 0000-0002-2095-8529; 0000-0001-5882-1328 (2020-06-05)
Using linear dispersion theory and particle-in-cell simulations, we explore the ion Bernstein instability driven by the shell-type ion velocity distribution which is related to the excitation of fast magnetosonic waves in ...

Fast Magnetosonic Waves Observed by Van Allen Probes: Testing Local Wave Excitation Mechanism 

Min, Kyungguk; Liu, Kaijun; Wang, Xueyi; Chen, Lunjin; Denton, Richard E.; 0000-0001-5882-1328; 0000-0001-5533-5981 (2020-05-28)
Linear Vlasov theory and particle-in-cell (PIC) simulations for electromagnetic fluctuations in a homogeneous, magnetized, and collisionless plasma are used to investigate a fast magnetosonic wave event observed by the Van ...

Fast Magnetosonic Waves Observed by Van Allen Probes: Testing Local Wave Excitation Mechanism 

Min, Kyungguk; Liu, Kaijun; Wang, Xueyi; Chen, Lunjin; Denton, Richard; 0000-0001-5882-1328; 0000-0001-5882-1328; 0000-0003-2489-3571 (2022-12-01)
Linear Vlasov theory and particle-in-cell (PIC) simulations for electromagnetic fluctuations in a homogeneous, magnetized, and collisionless plasma are used to investigate a fast magnetosonic wave event observed by the Van ...

Field line distribution of mass density at geostationary orbit 

Denton, R. E.; Takahashi, Kazue; Lee, Jimyoung; Zeitler, C. K.; Wimer, N. T.; Litscher, L. E.; Singer, H. J.; Min, Kyungguk; 0000-0002-2095-8529 (2020-06-05)
The distribution of mass density along the field lines affects the ratios of toroidal (azimuthally oscillating) Alfven frequencies, and given the ratios of these frequencies, we can get information about that distribution. ...

Fine structure of low-energy H+ in the nightside auroral region 

Liu, Chao; Perez, J.D.; Moore, T.E.; Chappell, C.R.; Slavin, J.A.; 0000-0002-9206-724X; 0000-0002-3150-1137 (2022-10-12)
Low-energy H+ data with 6-s resolution from the retarding ion mass spectrometer instrument on DE 1 have been analyzed to reveal the fine structure at middle altitudes of the nightside auroral region. A new method for ...

Foreshock wave interaction with the magnetopause: Signatures of mode conversion 

Feng, Shi; Cheng, Lei; Lin, Yu; Wang, Xueyi (2022-09-30)
Our previous hybrid simulation (Shi et al., 2013) under a radial interplanetary magnetic field (IMF) and a supercritical solar wind Mach number has shown that foreshock compressional waves originated from the quasi-parallel ...

Foreshock wave interaction with the magnetopause: Signatures of mode conversion 

Shi, Feng; Cheng, Lei; Lin, Yu; Wang, Xueyi; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-01)
Our previous hybrid simulation (Shi et al., 2013) under a radial interplanetary magnetic field (IMF) and a supercritical solar wind Mach number has shown that foreshock compressional waves originated from the quasi-parallel ...

Free-Boundary Axisymmetric MHD Equilibrium 

Guazzotto, Luca (2018-07-09)
The calculation of equilibrium conditions is a common task in the study and modeling of magnetic-confinement experiments for con- trolled nuclear fusion, in which a high-temperature plasma is confined in a finite region ...

Generation of anomalous flows near the bow shock by its interaction with interplanetary discontinuities 

Lin, Y (2022-09-20)
Two-dimensional hybrid simulations using a curvilinear coordinate system are carried out to study the interaction of the Earth's bow shock (BS) with an interplanetary directional discontinuity. In particular, plasma flow ...

Generation of anomalous flows near the bow shock by its interaction with interplanetary discontinuities 

Lin, Yu; 0000-0001-8003-9252 (2020-06-30)
Two-dimensional hybrid simulations using a curvilinear coordinate system are carried out to study the interaction of the Earth's bow shock (BS) with an interplanetary directional discontinuity. In particular, plasma flow ...

Generation of dynamic pressure pulses downstream of the bow shock by variations in the interplanetary magnetic field orientation 

Lin, Y.; Lee, L.C.; Yan, M.; 0000-0003-4012-991X (2022-10-25)
One-dimensional resistive MHD and hybrid simulations are carried out to study the manner by which variations of the interplanetary magnetic field (IMF) direction generate dynamic pressure pulses in the magnetosheath. The ...

Generation of near-Earth reconnection by divergent flows in the plasma sheet 

Lin, Y; Swift, D (2022-10-04)
[1] A global two-dimensional hybrid simulation is carried out to study the evolution of the near-Earth plasma sheet. It is shown that reconnection X lines and plasmoids can be generated by diverging flows in the plasma ...

Generation of near-Earth reconnection by divergent flows in the plasma sheet 

Lin, Y.; Swift, DW; 0000-0001-8003-9252 (2020-06-25)
A global two-dimensional hybrid simulation is carried out to study the evolution of the near-Earth plasma sheet. It is shown that reconnection X lines and plasmoids can be generated by diverging flows in the plasma sheet. ...

Generation of rising-tone chorus in a two-dimensional mirror field by using the general curvilinear PIC code 

Ke, Yangguang; Gao, Xinliang; Lu, Quanming; Wang, Xueyi; Wang, Shui; 0000-0001-5533-5981 (2020-05-29)
Recently, the generation of rising-tone chorus has been implemented with one-dimensional (1-D) particle-in-cell (PIC) simulations in an inhomogeneous background magnetic field, where both the propagation of waves and motion ...

Global hybrid simulation of mode conversion at the dayside magnetopause 

Shi, Feng; Lin, Yu; Wang, Xueyi (2022-09-28)
Mode conversion at the magnetopause has been suggested to lead to the generation of kinetic Alfven waves (KAWs) and effective mass transport from the solar wind into the magnetosphere. To investigate the mode conversion ...

Global hybrid simulation of mode conversion at the dayside magnetopause 

Shi, Feng; Lin, Yu; Wang, Xueyi; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-05)
Mode conversion at the magnetopause has been suggested to lead to the generation of kinetic Alfven waves (KAWs) and effective mass transport from the solar wind into the magnetosphere. To investigate the mode conversion ...

Global hybrid simulation of the dayside reconnection layer and associated field-aligned currents 

Lin, Y (2022-09-20)
A two-dimensional global hybrid simulation is carried out to study the structure of the magnetopause boundary layer in the noon-midnight meridian plane associated with the dayside reconnection. In the simulation the bow ...

Global hybrid simulation of the dayside reconnection layer and associated field-aligned currents 

Lin, Y.; 0000-0001-8003-9252 (2020-06-26)
A two-dimensional global hybrid simulation is carried out to study the structure of the magnetopause boundary layer in the noon-midnight meridian plane associated with the dayside reconnection. In the simulation the bow ...