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Ion sound wave packets at the quasiperpendicular shock front
| Content Provider | Semantic Scholar |
|---|---|
| Author | Balikhin, Michael A. Walker, Simon N. Treumann, Rudolf A. Alleyne, H. Krasnoselskikh, Vladimir Gedalin, Michael André, Michel Dunlop, Malcolm W. Fazakerley, Andrew N. |
| Copyright Year | 2005 |
| Abstract | Electric field measurements from a single spacecraft have been used to study ion-sound turbulence observed within the Earth's bow shock. The observed frequency of the ion-sound waves can be both lower and higher than the local electron cyclotron frequency depending upon the direction of wave propagation in the plasma rest frame. The ion-sound waves observed upstream of the ramp can not be generated either by an instability related to the gradient in the electron temperature or an electric current within the ramp. A comparison of wave vectors for distinctive wave packets indicate that non-stationary, short scale current layers formed in the processes of the ramp evolution might be the source of the free energy for such waves. |
| File Format | PDF HTM / HTML |
| DOI | 10.1029/2005GL024660 |
| Volume Number | 32 |
| Alternate Webpage(s) | http://discovery.ucl.ac.uk/162799/1/2005GL024660.pdf |
| Alternate Webpage(s) | https://doi.org/10.1029/2005GL024660 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
