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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Brenning, N. |
| Copyright Year | 1973 |
| Abstract | The interaction between a dust cloud and a magnetized plasma is investigated by use of an idealized model where the dust particles have uniform size, a uniform density within the dust cloud, and start with the same velocity across the magnetic field in the plasma's rest frame. The interaction is found to be governed by a dimensionless parameter K which is a function of dust cloud, and ambient plasma, parameters. For K much smaller than unity, the interaction goes on for typically 1/(2/spl pi/K) gyro times, with the particles in the dust cloud performing gyro motions with decreasing radius. For K close to unity, the dust motion is stopped on the order of a dust particle gyro time. For the case K/spl Gt/1, the plasma in the flux tube through the dust cloud is dragged across the magnetic field over a distance of the order of Kr/sub d/, where r/sub d/ is the dust gyro radius, before the motion is stopped. Some expected effects for a more realistic dust cloud with density gradients, and containing dust with a spread in size, are discussed. The results have bearing on dusty plasma in space, e.g., models of the formation of spokes in Saturn's ring system. |
| Sponsorship | IEEE Nuclear and Plasma Sciences Society |
| Starting Page | 302 |
| Ending Page | 306 |
| Page Count | 5 |
| File Size | 509575 |
| File Format | |
| ISSN | 00933813 |
| Volume Number | 29 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2001-04-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Clouds Dusty plasma Plasma density Magnetic fields Barium Plasma waves Plasma properties Ionosphere Magnetic flux Helium |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nuclear and High Energy Physics Condensed Matter Physics |
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