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In this paper, we present three-dimensional (3D) Particle-In-Cell (PIC) simulations to study the stability of 2D Bernstein-Greene-Kruskal (BGK) modes in a magnetized plasma with a finite background magnetic field. The simulations were performed using
Externí odkaz:
http://arxiv.org/abs/2410.16585
Publikováno v:
Phys. Plasmas 31, 042302 (2024)
We present two dimensional (2D) particle-in-cell (PIC) simulations of 2D Bernstein-Greene-Kruskal (BGK) modes, which are exact nonlinear steady-state solutions of the Vlasov-Poisson equations, on a 2D plane perpendicular to a background magnetic fiel
Externí odkaz:
http://arxiv.org/abs/2311.08613
Autor:
Ng, C. S.
A new model, inspired by the structure of galactic disks, for three-dimensional Bernstein-Greene-Kruskal (BGK) modes in a plasma with a uniform finite background magnetic field is presented. These modes are exact nonlinear solutions of the steady-sta
Externí odkaz:
http://arxiv.org/abs/2207.11632
The ion temperature of the magnetospheres of Jupiter and Saturn was observed to increase substantially from about 10 to 30 planet radii. Different heating mechanisms have been proposed to explain such observations, including a heating model for Jupit
Externí odkaz:
http://arxiv.org/abs/2110.08767
Autor:
Ng, C. S., Bhattacharjee, A.
Publikováno v:
The Astrophysical Journal, 923:271 (2021)
We consider the spectrum of eigenmodes in a stellar system dominated by gravitational forces in the limit of zero collisions. We show analytically and numerically using the Lenard-Bernstein collision operator that the Landau modes, which are not true
Externí odkaz:
http://arxiv.org/abs/2109.07806
Autor:
Ng, C. S.
Publikováno v:
Physics of Plasmas 27, 022301 (2020)
Electrostatic structures have been observed in many regions of space plasmas, including the solar wind, the magnetosphere, the auroral acceleration region. One possible theoretical description of some of these structures is the concept of Bernstein-G
Externí odkaz:
http://arxiv.org/abs/1909.02149
Akademický článek
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Publikováno v:
Journal of Geophysical Research Space Physics, 2018
The ion temperature of the magnetosphere of Jupiter derived from Galileo PLS data was observed to increase by about an order of magnitude from 10 to 40 Jupiter radii. This suggests the presence of heating sources that counteract the adiabatic cooling
Externí odkaz:
http://arxiv.org/abs/1802.05360
Autor:
Ng, C. S., Bhattacharjee, A.
Publikováno v:
Physics of Plasmas (Vol.24, Issue 10) 27 October 2017
The surface current on the plasma-vacuum interface during a disruption event involving kink instability can play an important role in driving current into the vacuum vessel. However, there have been disagreements over the nature or even the sign of t
Externí odkaz:
http://arxiv.org/abs/1707.06104
Akademický článek
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