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Browsing Physics by Author "Lin, Yu"

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Dipolarization fronts as earthward propagating flux ropes: A three-dimensional global hybrid simulation 

Lu, San; Lin, Yu; Wang, Xueyi; Wang, Shui; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-03)
Dipolarization fronts (DFs) as earthward propagating flux ropes (FRs) in the Earth's magnetotail are presented and investigated with a three-dimensional (3-D) global hybrid simulation for the first time. In the simulation, ...

Dipolarization fronts as earthward propagating flux ropes: A three-dimensional global hybrid simulation 

Lu, San; Lu, Quanming; Lin, Yu; Wang, Xueyi; Ge, Yasong; Wang, Rongsheng; Zhou, Meng; Fu, Huishan; Huang, Can; Wu, Mingyu; Wang, Shui; 0000-0002-9511-7660; 0000-0002-4701-7219 (2023-01-25)
Dipolarization fronts (DFs) as earthward propagating flux ropes (FRs) in the Earth's magnetotail are presented and investigated with a three-dimensional (3-D) global hybrid simulation for the first time. In the simulation, ...

Effect of IMF B-y on the Entry of Solar Wind Ions Into the Near-Earth Tail Lobe: Global Hybrid Simulation and MMS Observation 

Wang, Chih-Ping; Xing, Xiaoyan; Wang, Xueyi; Avanov, Levon; Lin, Yu; Strangeway, Robert; Wei, H (2022-11-08)
Global simulations predict that the low-latitude mantle may be an important pathway for the solar wind entry into the tail magnetosphere close to the current sheet when interplanetary magnetic field (IMF) B-y dominates ...

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 ...

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 ...

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 Simulations of Interaction Between Interplanetary Rotational Discontinuity and Bow Shock/Magnetosphere: Can Ion-Scale Magnetic Reconnection be Driven by Rotational Discontinuity Downstream of Quasi-Parallel Shock? 

Guo, Zhifang; Lin, Yu; Wang, X; 0000-0002-3728-6319 (2022-09-29)
Ion-scale magnetic reconnection has been observed downstream of the terrestrial quasi-parallel (Q-parallel to) shock. Whether it is driven by interplanetary discontinuities or turbulent Q-parallel to shock, however, is ...

Global-scale simulation of foreshock structures at the quasi-parallel bow shock 

Lin, Yu (2022-09-29)
A two-dimensional, global-scale hybrid simulation is carried out to study the kinetic structure of the quasi-parallel bow shock. In the simulation the bow shock forms by the interaction of the supersonic solar wind and the ...

Global-scale simulation of foreshock structures at the quasi-parallel bow shock 

Lin, Yu; 0000-0001-8003-9252 (2020-06-18)
A two-dimensional, global-scale hybrid simulation is carried out to study the kinetic structure of the quasi-parallel bow shock. In the simulation the bow shock forms by the interaction of the supersonic solar wind and the ...

Ion Acceleration Inside Foreshock Transients 

Liu, Terry Z.; Lu, San; Angelopoulos, Vassilis; Lin, Yu; Wang, X. Y.; 0000-0001-8003-9252 (2020-05-28)
Recent observations upstream of Earth's bow shock have revealed that foreshock transients can not only accelerate solar wind ions by reflection at their upstream boundaries but may also accelerate ions inside them. Evidence ...

Ion acceleration inside foreshock transients 

Liu, Terry Z.; Lu, San; Angelopoulos, Vassilis; Lin, Yu; Wang, Xueyi; 0000-0003-1778-4289; 0000-0001-5533-5981 (2023-06-17)
Recent observations upstream of Earth's bow shock have revealed that foreshock transients can not only accelerate solar wind ions by reflection at their upstream boundaries but may also accelerate ions inside them. Evidence ...

The ion temperature gradient: An intrinsic property of Earth's magnetotail 

Lu, San; Artemyev, A. V.; Angelopoulos, Vassilis; Lin, Yu; Wang, Xueyi; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-01)
Although the ion temperature gradient along (X GSM) and across (Z GSM) the Earth's magnetotail, which plays a key role in generating the cross‐tail current and establishing pressure balance with the lobes, has been extensively ...

Kinetic Alfven Waves From Magnetotail to the Ionosphere in Global Hybrid Simulation Associated With Fast Flows 

Cheng, Lei; Lin, Yu; Perez, J; Johnson, Jay; Wang, Xueyi; 0000-0002-9562-1103; 0000-0002-5619-9093 (2022-09-29)
We have used the Auburn Global Hybrid Code in 3-D to study the generation, dynamics, and global structure of kinetic Alfven waves (KAWs) from the magnetotail to the ionosphere. Our results show that KAWs are generated in ...

Kinetic Alfven waves in three-dimensional magnetic reconnection 

Liang, Ji; Lin, Yu; Johnson, Jay R.; Wang, Xueyi; Wang, Zheng-Xiong; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-03)
Alfvenic waves are believed to be fundamentally important in magnetic reconnection. Kinetic dynamics of particles can break the Alfven speed limit in the evolution and propagation of perturbations during reconnection. In ...

Kinetic Alfven waves in three-dimensional magnetic reconnection 

Liang, Ji; Lin, Yu; Johnson, Jay; Wang, Xueyi; Wang, Zheng-Xiong; 0000-0002-9562-1103 (2022-10-27)
Alfvenic waves are believed to be fundamentally important in magnetic reconnection. Kinetic dynamics of particles can break the Alfven speed limit in the evolution and propagation of perturbations during reconnection. In ...

Large-Scale High-Speed Jets in Earth's Magnetosheath: Global Hybrid Simulations 

Guo, Jin; Lu, San; Lu, Quanming; Lin, Yu; Wang, Xueyi; Ren, Junyi; Hao, Yufei; Huang, Kai; Wang, Rongsheng; Gao, Xinliang; 0000-0001-9578-6250; 0000-0003-3041-2682; 0000-0002-9950-1029 (2022-11-08)
High-speed jets (HSJs) occur frequently in Earth's magnetosheath downstream of the quasiparallel bow shock. They have great impacts on the magnetosheath and the magnetosphere. Using two-dimensional global hybrid simulations, ...

Magnetic field rotation and transition width in rotational discontinuities and Alfven wave trains 

Lin, Yu; Lee, L; 0000-0003-4012-991X (2022-09-29)
A hybrid simulation is carried out to study the evolution of magnetic field rotations in rotational discontinuities (RDs) and large-amplitude Alfven wave trains (AWTs) whose initial field rotation angle \Delta Phi\ > 180 ...

Magnetopause Reconnection as Influenced by the Dipole Tilt Under Southward IMF Conditions: Hybrid Simulation and MMS Observation 

Guo, Zhifang; Lin, Yu; Wang, Xueyi; Vines, Sarah; Lee, S; Chen, Yuxi; 0000-0002-3728-6319; 0000-0001-7288-2805; 0000-0002-7515-3285; 0000-0001-9592-4684 (2023-01-19)
Using a three-dimensional (3-D) global-scale hybrid code, the Magnetospheric Multiscale (MMS) reconnection event around 02:13 UT on 18 November 2015, highlighted in the Geospace Environment Modeling (GEM) Dayside Kinetic ...