Toroidal coordinates: Difference between revisions
| Line 195: | Line 195: | ||
\mathbf{B} = \eta\nabla\psi + \nabla\chi | \mathbf{B} = \eta\nabla\psi + \nabla\chi | ||
</math> | </math> | ||
where <math>\chi</math> is identified as the magnetic ''scalar'' potential. | where <math>\chi</math> is identified as the magnetic ''scalar'' potential. Its general form is | ||
:<math> | |||
\chi(\psi, \theta, \phi) = \frac{I_{tor}}{2\pi}\theta + \frac{I_{pol}^d}{2\pi}\phi + \tilde\chi(\psi, \theta, \phi) | |||
</math> | |||
== Magnetic == | == Magnetic == | ||