搜索结果: 1-13 共查到“地球物理学 holes”相关记录13条 . 查询时间(0.24 秒)
Electron-cylotron maser radiation from electron holes
Electron cyclotron maser, electron holes, auroralacceleration, auroral radiation fine structure, auroral kilometricradiation, Jupiter radio emission, Planetary radio emission
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2011/8/26
Electron holes are suggested to be an important source for generation of electron-cyclotron maser radiation.We demonstrate that electron holes generated in
a ring-horseshoe distribution in the aurora...
Analysis and simulation of BGK electron holes
Analysis simulation BGK electron holes
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2009/11/13
Recent observations from satellites crossing regions of magnetic-field-aligned electron streams reveal solitary potential structures that move at speeds much greater than the ion acoustic/thermal velo...
Magnetic holes in the solar wind between 0.3 AU and 17 AU
Magnetic holes solar wind 0.3 AU 17 AU
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2009/11/13
Magnetic holes (MHs) are depressions of the magnetic field magnitude. Turner et al. (1977) identified the first MHs in the solar wind and determined an occurrence rate of 1.5 MHs/d. Winterhalter et al...
Phase-space holes due to electron and ion beams accelerated by a current-driven potential ramp
Phase-space holes electron and ion beams current-driven potential ramp
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2009/11/11
One-dimensional open-boundary simulations have been carried out in a current-carrying plasma seeded with a neutral density depression and with no initial electric field. These simulations show the dev...
Magnetic field turbulence,electron heating,magnetic holes,proton cyclotron waves,and the onsets of bipolar pulse (electron hole) events:a possible unifying scenario
Magnetic field turbulence electron heating magnetic holes proton cyclotron waves
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2009/11/11
Two electron heating events have been identified on 20 May 1996 when Polar was in the polar cap/polar cusp boundary layer. The electron heating events were located within magnetic holes/cavities/bubbl...
Radial evolution of intermittent heat flux in solar coronal holes
Radial evolution intermittent heat flux solar coronal holes
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2009/11/11
Recently, we suggested that the source of ion heating in solar coronal holes is small-scale reconnection events (microflares) at the coronal base. The microflares launch intermittent heat flux up into...
The dynamics of electron and ion holes in a collisionless plasma
dynamics of electron ion holes collisionless plasma
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2009/11/9
We present a review of recent analytical and numerical studies of the dynamics of electron and ion holes in a collisionless plasma. The new results are based on the class of analytic solutions which w...
Phase space holes and elementary radiation events
Phase space holes elementary radiation events
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2009/11/3
Using high-time resolution measurements from the FAST and CLUSTER spacecraft we analyze different types of fine frequency structures of Auroral Kilometric Radiation (AKR). Based on the results from pr...
Magnetic holes in plasmas close to the mirror instability
Magnetic holes plasmas close mirror instability
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2009/11/3
Non-propagating magnetic hole solutions in anisotropic plasmas near the mirror instability threshold are investigated in numerical simulations of a fluid model that incorporates linear Landau damping ...
Braneworld Black Holes as Gravitational Lenses
Braneworld Black Holes Gravitational Lenses
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2010/10/18
Black holes acting as gravitational lenses produce, besides the primary and secondary weak field images, two infinite sets of relativistic images. These images can be studied using the strong field li...
Electron holes, ion waves, and anomalous resistivity in space plasmas
space plasmas ion waves
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2017/3/22
Phase-space electron holes are seen in simulations, laboratory plasmas, and many
regions of the Earth’s space environment. We present simulations of beam plasmas
showing that the generation and deca...
Evolution of Electron Phase-Space Holes in a 2D Magnetized Plasma
Electron Phase-Space Holes 2D Magnetized Plasma
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2017/3/22
The nonlinear stage of the two-stream instability in a 2D magnetized plasma produces electron
phase-space tubes, the counterpart of phase-space holes in a 1D plasma. These tubes align primarily
perp...
Evolution of electron phase-space holes in 3D
3D electron phase-space
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2017/3/22
Electron phase-space holes are regions of depleted
electron density commonly generated during the nonlinear
stage of the two-stream instability. Recently, bipolar
electric field structures — a sign...