Browsing Physics by Author "Yu Lin, linyu01@auburn.edu"

Now showing items 1-20 of 24

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, ...

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 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. ...

Global-scale hybrid simulation of dayside magnetic reconnection under southward IMF: Structure and evolution of reconnection

Tan, B.; Lin, Y.; Perez, J. D.; Wang, X. Y.; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-12)

Magnetopause reconnection is investigated with our 3-D self-consistent global hybrid simulation model. The magnetic configuration and evolution of Flux Transfer Events (FTEs) and the associated ion density and ion velocity ...

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 ...

Hall effect control of magnetotail dawn-dusk asymmetry: A three-dimensional global hybrid simulation

Lu, San; Lin, Y.; Angelopoulos, V.; Artemyev, A. V.; Pritchett, P. L.; Lu, Quanming; Wang, Xueyi; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-03)

Magnetotail reconnection and related phenomena (e.g., flux ropes, dipolarizing flux bundles, flow bursts, and particle injections) occur more frequently on the duskside than on the dawnside. Because this asymmetry can ...

The Hall Electric Field in Earth's Magnetotail Thin Current Sheet

Lu, San; Artemyev, A., V; Angelopoulos, V; Lin, Y; Zhang, X-J; Liu, J.; Avanov, L.A.; Giles, B. L.; Russell, C. T.; Strangeway, R. J. (2020-05-28)

One of the most important properties of Earth's magnetotail thin current sheet (TCS) is that its current is predominantly contributed by magnetized electrons. The Hall electric field, normal to the TCS and generated by ...

The Hall Electric Field in Earth's Magnetotail Thin Current Sheet

Lu, San; Artemyev, A; Angelopoulos, V; Lin, Y; Zhang, X.-J.; Liu, J; Avanov, L; Giles, B; Russell, C; Strangeway, R; 0000-0001-8054-825X; 0000-0003-1639-8298; 0000-0003-2357-4851; 0000-0002-7489-9384; 0000-0001-9839-1828 (2023-01-19)

Hybrid simulation of foreshock waves and ion spectra and their linkage to cusp energetic ions

Wang, X. Y.; Lin, Y.; Chang, S. -W.; 0000-0001-5533-5981; 0000-0001-8003-9252 (2020-06-16)

A three-dimensional global hybrid simulation is carried out to investigate energetic ions and electromagnetic waves in the quasi-parallel (Q-parallel to) bow shock and cusp for a typical interplanetary magnetic field ...

Hybrid simulation of mode conversion at the magnetopause

Lin, Y.; Johnson, J. R.; Wang, X. Y.; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-16)

Two-dimensional hybrid simulations are used to investigate how fast-mode compressional waves incident on a magnetopause current layer mode convert both linearly and nonlinearly to short wavelength (k(perpendicular to)rho(i) ...

Intermediate shocks in three-dimensional magnetohydrodynamic bow-shock flows with multiple interacting shock fronts

Cable, S.; Lin, Y.; Holloway, J. L.; 0000-0001-8003-9252 (2020-06-18)

Previous MHD simulations predict that when switch-on shock conditions obtain in the solar wind, the bow shock produced in front of an ellipsoidal obstacle will produce a unique bow shock configuration that includes a concave ...

Investigation of storm time magnetotail and ion injection using three-dimensional global hybrid simulation

Lin, Y.; Wang, X. Y.; Lu, S.; Perez, J. D.; Lu, Q.; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-05)

Dynamics of the near-Earth magnetotail associated with substorms during a period of extended southward interplanetary magnetic field is studied using a three-dimensional (3-D) global hybrid simulation model that includes ...

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 ...

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 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 ...

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

Lin, Y.; Lee, LC.; 0000-0001-8003-9252 (2020-06-30)

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 ...

Magnetosheath Reconnection Before Magnetopause Reconnection Driven by Interplanetary Tangential Discontinuity: A Three-Dimensional Global Hybrid Simulation With Oblique Interplanetary Magnetic Field

Guo, Zhifang; Lin, Yu; Wang, Xueyi; Du, Aimin; 0000-0001-8003-9252 (2020-05-28)

Terrestrial dayside dynamics associated with a southward turning, oblique interplanetary magnetic field (IMF) carried by an interplanetary tangential discontinuity (TD) is investigated by performing a three-dimensional ...

Magnetosheath Reconnection Before Magnetopause Reconnection Driven by Interplanetary Tangential Discontinuity: A Three-Dimensional Global Hybrid Simulation With Oblique Interplanetary Magnetic Field

Guo, Zhifang; Lin, Yu; Wang, Xueyi; Du, Aimin; 0000-0002-3728-6319 (2022-10-27)

Reversal of magnetic field rotation in the reconnection layer due to shear flow effects

Sun, Xiaoxia; Lin, Yu; Wang, Xiaogang; 0000-0001-8003-9252 (2020-06-18)

We investigate the effects of shear flows on the so-called "component reconnection," in which the guide field B-y not equal 0, by solving a one-dimensional Riemann problem for magnetopause reconnection using a resistive ...

Three-dimensional global hybrid simulation of dayside dynamics associated with the quasi-parallel bow shock

Lin, Y.; Wang, XY; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-18)

A three-dimensional global-scale hybrid simulation is carried out, for the first time, for dynamics of the dayside bow shock-magnetosphere system associated with the quasi-parallel bow shock. A case with IMF along the ...