Sood, N. K. ; Trehan, S. K. (1972) Non-radial oscillations and convective instability of a polytrope with a toroidal magnetic field Astrophysics and Space Science, 19 (2). pp. 441-467. ISSN 0004-640X
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Official URL: http://www.springerlink.com/content/g2984213180247...
Related URL: http://dx.doi.org/1007/BF00645727
Abstract
We examine the non-radial modes of oscillation, belonging to spherical harmonics of orders l=1 and l=3, of a gaseous polytrope with a toroidal magnetic field. We find that a toroidal magnetic field increases the growth rate of convective instability for deformations belonging to the spherical harmonic l=1 whereas it decreases the growth rate of convective instability for deformations belonging to the harmonics l=2 and l=3. The frequencies of the 'acoustic' mode and the 'Kelvin' mode are decreased by the presence of the toroidal magnetic field.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| ID Code: | 53083 |
| Deposited On: | 04 Aug 2011 14:44 |
| Last Modified: | 04 Aug 2011 14:44 |
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