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| Content Provider | Springer Nature Link |
|---|---|
| Author | Modi, K. V. Sharma, R. P. Gaur, Nidhi |
| Copyright Year | 2015 |
| Abstract | The nonlinear interaction between the kinetic Alfvén wave (KAW) and the slow magnetosonic wave is studied. The dynamical equation for the slow magnetosonic wave, in the presence of a ponderomotive force due to finite frequency KAW ( $\omega_{0}<\omega_{\mathrm{ci}}$ , where $\omega_{0}$ is the frequency of the KAW and $\omega_{\mathrm{ci}}$ is the ion gyro frequency) is developed and then numerically solved for the solar wind parameters around 1 AU. Three different propagation angles of the slow magnetosonic wave ( $\theta = 70^{\circ},75^{\circ}$ , and $85^{\circ}$ ) are considered. Our results reveal that due to the nonlinear interplay between the waves, the nature of the formation of localised structures becomes complex and depends on the different propagation angles of the slow magnetosonic wave. The power spectrum of a KAW shows the Kolmogorov scaling in larger scales but exhibits steepening in smaller scales. The scaling index of the power spectrum of the KAW depends on the propagation angles of the slow magnetosonic wave. Therefore, the heating of plasma particles in the solar wind may show such dependence. The present results are consistent with the observation of the Cluster spacecraft for the solar wind around 1 AU. |
| Starting Page | 229 |
| Ending Page | 238 |
| Page Count | 10 |
| File Format | |
| ISSN | 00380938 |
| Journal | Solar Physics |
| Volume Number | 291 |
| Issue Number | 1 |
| e-ISSN | 1573093X |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2015-11-19 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Kinetic Alfvén wave Slow magnetosonic wave Solar wind Turbulence Astrophysics and Astroparticles Atmospheric Sciences Extraterrestrial Physics, Space Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Astronomy and Astrophysics Space and Planetary Science |
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