Analyzing the Effect of Energy Anisotropy on Electromagnetic Ordinary Mode and Purely Transverse Extraordinary Mode

The effects of energy anisotropy on the Ordinary mode (O-mode) and the exclusively transverse Extraordinary mode have been investigated (X-mode). The generic dispersion relations for O-mode and X-mode have been developed using kinetic theory. Energy anisotropy, magnetic field to density ratio (_0/ p), and plasma beta _ were used to calculate the stability condition and growth rates. The growth rates and stability of the abovementioned modes demonstrate the dependence of stability on plasma beta and energy anisotropy T /T_. The energy anisotropy T /T_ and the marginal threshold plasma beta. The marginal threshold O-mode, as well as the oscillatory and merely increasing modes’ reliance on energy anisotropy, are diametrically opposed. The X-mode, on the other hand, meets the instability criterion due to the geometry difference with the O-Mode. For spherical tokamaks, these modes are significant because their coupling leads to the production of the Bernstein mode, which provides the heating effects.

Author(s) Details:

N. Noreen,
Forman Christian College (Chartered University), Ferozpur Road, 54000 Lahore, Pakistan.

S. Zaheer,
Forman Christian College (Chartered University), Ferozpur Road, 54000 Lahore, Pakistan.

H. A. Shah,
Forman Christian College (Chartered University), Ferozpur Road, 54000 Lahore, Pakistan.

Please see the link here: https://stm.bookpi.org/NTPSR-V3/article/view/6831

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