Boozer coordinates: Difference between revisions
→Contravariant representation of the magnetic field in Boozer coordinates
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It is also useful to know the expression of the following object in Boozer coordinates | It is also useful to know the expression of the following object in Boozer coordinates | ||
:<math> | :<math> | ||
\frac{\nabla V\times\mathbf{B}}{B^2} = -\frac{2\pi I_{pol}^d}{\langle B^2\rangle}\mathbf{e}_\theta + \frac{2\pi I_{tor}}{\langle B^2\rangle}\mathbf{e}_\phi~ | \frac{\nabla V\times\mathbf{B}}{B^2} = -\frac{2\pi I_{pol}^d}{\langle B^2\rangle}\mathbf{e}_\theta + \frac{2\pi I_{tor}}{\langle B^2\rangle}\mathbf{e}_\phi~. | ||
</math> | </math> | ||