Note on the dependence of Pc3-4 activity on the solar wind velocity
Various models that describe the dependence of pulsation amplitude <i>A</i> on the solar wind velocity <i>V</i> are discussed. Phenomenological considerations and experimental data count in favour of a model of the form <i>A&l...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
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| Series: | Annales Geophysicae |
| Online Access: | http://www.ann-geophys.net/12/1192/1994/angeo-12-1192-1994.html |
| Summary: | Various models that describe the dependence of pulsation amplitude <i>A</i> on the solar wind velocity <i>V</i> are discussed. Phenomenological considerations and experimental data count in favour of a model of the form <i>A</i>/<i>A</i><sub>0</sub>=(<i>V</i>/<i>V</i><sub>0</sub>) exp (-<i>V</i><sub>0</sub>/<i>V</i>). The linear model <i>A</i>=<i>a</i>+<i>bV</i> which is common in the literature gives negative values of amplitude as <i>V-&gt;</i>0, which is strange from the physical point of view. The possibility of modifying the linear model by including critical phenomena is discussed. |
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| ISSN: | 0992-7689 1432-0576 |