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The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma
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| Zeitschriftentitel: | Annales Geophysicae |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Annales Geophysicae, 24, 2006, 1, S. 263-274 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Copernicus GmbH
|
| Schlagwörter: |
| author_facet |
Kozlov, D. A. Leonovich, A. S. Cao, J. B. Kozlov, D. A. Leonovich, A. S. Cao, J. B. |
|---|---|
| author |
Kozlov, D. A. Leonovich, A. S. Cao, J. B. |
| spellingShingle |
Kozlov, D. A. Leonovich, A. S. Cao, J. B. Annales Geophysicae The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Geology Astronomy and Astrophysics |
| author_sort |
kozlov, d. a. |
| spelling |
Kozlov, D. A. Leonovich, A. S. Cao, J. B. 1432-0576 Copernicus GmbH Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Geology Astronomy and Astrophysics http://dx.doi.org/10.5194/angeo-24-263-2006 <jats:p>Abstract. The structure and spectrum of standing Alfvén waves were theoretically investigated in a dipole magnetosphere with moving plasma. Plasma motion was simulated with its azimuthal rotation. The model's scope allowed for describing a transition from the inner plasmasphere at rest to the outer magnetosphere with convecting plasma and, through the magnetopause, to the moving plasma of the solar wind. Solutions were found to equations describing longitudinal and transverse (those formed, respectively, along field lines and across magnetic shells) structures of standing Alfvén waves with high azimuthal wave numbers m>>1. Spectra were constructed for a number of first harmonics of poloidal and toroidal standing Alfvén waves inside the magnetosphere. For charged particles with velocities greatly exceeding the velocity of the background plasma, an effective parallel wave component of the electric field appears in the region occupied by such waves. This results in structured high-energy-particle flows and in the appearance of multiband aurorae. The transverse structure of the standing Alfvén waves' basic harmonic was shown to be analogous to the structure of a discrete auroral arc. </jats:p> The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma Annales Geophysicae |
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| title |
The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_unstemmed |
The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_full |
The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_fullStr |
The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_full_unstemmed |
The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_short |
The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_sort |
the structure of standing alfvén waves in a dipole magnetosphere with moving plasma |
| topic |
Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Geology Astronomy and Astrophysics |
| url |
http://dx.doi.org/10.5194/angeo-24-263-2006 |
| publishDate |
2006 |
| physical |
263-274 |
| description |
<jats:p>Abstract. The structure and spectrum of standing Alfvén waves were theoretically investigated in a dipole magnetosphere with moving plasma. Plasma motion was simulated with its azimuthal rotation. The model's scope allowed for describing a transition from the inner plasmasphere at rest to the outer magnetosphere with convecting plasma and, through the magnetopause, to the moving plasma of the solar wind. Solutions were found to equations describing longitudinal and transverse (those formed, respectively, along field lines and across magnetic shells) structures of standing Alfvén waves with high azimuthal wave numbers m>>1. Spectra were constructed for a number of first harmonics of poloidal and toroidal standing Alfvén waves inside the magnetosphere. For charged particles with velocities greatly exceeding the velocity of the background plasma, an effective parallel wave component of the electric field appears in the region occupied by such waves. This results in structured high-energy-particle flows and in the appearance of multiband aurorae. The transverse structure of the standing Alfvén waves' basic harmonic was shown to be analogous to the structure of a discrete auroral arc.
</jats:p> |
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| author | Kozlov, D. A., Leonovich, A. S., Cao, J. B. |
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| description | <jats:p>Abstract. The structure and spectrum of standing Alfvén waves were theoretically investigated in a dipole magnetosphere with moving plasma. Plasma motion was simulated with its azimuthal rotation. The model's scope allowed for describing a transition from the inner plasmasphere at rest to the outer magnetosphere with convecting plasma and, through the magnetopause, to the moving plasma of the solar wind. Solutions were found to equations describing longitudinal and transverse (those formed, respectively, along field lines and across magnetic shells) structures of standing Alfvén waves with high azimuthal wave numbers m>>1. Spectra were constructed for a number of first harmonics of poloidal and toroidal standing Alfvén waves inside the magnetosphere. For charged particles with velocities greatly exceeding the velocity of the background plasma, an effective parallel wave component of the electric field appears in the region occupied by such waves. This results in structured high-energy-particle flows and in the appearance of multiband aurorae. The transverse structure of the standing Alfvén waves' basic harmonic was shown to be analogous to the structure of a discrete auroral arc. </jats:p> |
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| spelling | Kozlov, D. A. Leonovich, A. S. Cao, J. B. 1432-0576 Copernicus GmbH Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Geology Astronomy and Astrophysics http://dx.doi.org/10.5194/angeo-24-263-2006 <jats:p>Abstract. The structure and spectrum of standing Alfvén waves were theoretically investigated in a dipole magnetosphere with moving plasma. Plasma motion was simulated with its azimuthal rotation. The model's scope allowed for describing a transition from the inner plasmasphere at rest to the outer magnetosphere with convecting plasma and, through the magnetopause, to the moving plasma of the solar wind. Solutions were found to equations describing longitudinal and transverse (those formed, respectively, along field lines and across magnetic shells) structures of standing Alfvén waves with high azimuthal wave numbers m>>1. Spectra were constructed for a number of first harmonics of poloidal and toroidal standing Alfvén waves inside the magnetosphere. For charged particles with velocities greatly exceeding the velocity of the background plasma, an effective parallel wave component of the electric field appears in the region occupied by such waves. This results in structured high-energy-particle flows and in the appearance of multiband aurorae. The transverse structure of the standing Alfvén waves' basic harmonic was shown to be analogous to the structure of a discrete auroral arc. </jats:p> The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma Annales Geophysicae |
| spellingShingle | Kozlov, D. A., Leonovich, A. S., Cao, J. B., Annales Geophysicae, The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Geology, Astronomy and Astrophysics |
| title | The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_full | The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_fullStr | The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_full_unstemmed | The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_short | The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| title_sort | the structure of standing alfvén waves in a dipole magnetosphere with moving plasma |
| title_unstemmed | The structure of standing Alfvén waves in a dipole magnetosphere with moving plasma |
| topic | Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Geology, Astronomy and Astrophysics |
| url | http://dx.doi.org/10.5194/angeo-24-263-2006 |