Principles of Plasma Physics

Krall, Nicholas A.; Trivelpiece, A. W.; Gross, Robert A.

doi:10.1119/1.1987587

Cited by 1,831 publications

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“…Thermalized plasmas have velocity distributions that are expected to be approximately Maxwellian in form [Krall and Trivelpiece, 1973]. Although the high-energy component of the measured spectrum shown in Figure 3a exhibits only a single peak at ~800 V, this component…”

Section: Thermal Torus Ionsmentioning

confidence: 94%

Galileo plasma observations at Europa: Ion energy spectra and moments

Paterson¹,

Frank²,

Ackerson³

1999

J. Geophys. Res.

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Section: Thermal Torus Ionsmentioning

confidence: 94%

Galileo plasma observations at Europa: Ion energy spectra and moments

Paterson¹,

Frank²,

Ackerson³

1999

J. Geophys. Res.

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“…It is suitable for nonstationary signals such as whistlers, which also are known to be circularly polarised and to propagate either parallel or antiparallel to the DC magnetic field [Krall and Trivelpiece, 1973]. We have applied the method on a whistler to study its propagation characteristics and found that the precession of the normal to the polarisation plane around the geomagnetic field can be studied in detail.…”

Section: Introductionmentioning

confidence: 99%

Precession of the whistler polarisation plane normal observed on Freja

Karlsson

Carozzi

Bergman

et al. 2005

Geophysical Research Letters

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[1] We have observed that the normal to the polarisation plane of a whistler precesses around the geomagnetic field. Magnetic field observations by the Freja spacecraft have been used. These results were made possible by the use of an analysis which estimates the instantaneous polarisation properties of waves. During one event, the instantaneous normal of the polarisation plane precesses around the direction antiparallel to the geomagnetic field with an average deviation of 6°. In total, the normal precesses four times around this direction as the whistler frequency decreases from 2 to 0.4 kHz in about 0.2 s. Available theoretical understanding can not unambiguously explain the precession. We show that the precession of whistler wave vectors can be observed, and suggest to use this new observable parameter to put new constraints on the theories of whistler propagation. Citation: Karlsson, R. L., T.

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“…[5] The model is based on Hall-MHD equations for lowfrequency phenomena in a collisionless plasma [e.g., Krall and Trivelpiece, 1973] …”

Section: Theorymentioning

confidence: 99%

Reinterpretation of mirror modes as trains of slow magnetosonic solitons

Stasiewicz

2004

Geophysical Research Letters

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[1] It is shown that large amplitude periodic oscillations of the magnetic field measured frequently by spacecraft in the magnetosheath, and interpreted as mirror-mode waves/ structures, represent trains of slow-mode magnetosonic solitons. Nonlinear magnetosonic wave-trains with properties attributed previously to mirror-mode structures are obtained as exact solutions of Hall-MHD equations with anisotropic ion pressure. The theoretically derived properties of magnetosonic solitons are compared with multipoint measurements on Cluster satellites in the magnetosheath with plasma beta (plasma/magnetic pressure) $10. The computed properties of nonlinear waves: amplitudes, spatial scales, periodicity, and propagation velocities are consistent with in situ measurements in space.

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Principles of Plasma Physics

Cited by 1,831 publications

References 0 publications

Galileo plasma observations at Europa: Ion energy spectra and moments

Galileo plasma observations at Europa: Ion energy spectra and moments

Precession of the whistler polarisation plane normal observed on Freja

Reinterpretation of mirror modes as trains of slow magnetosonic solitons

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