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12
Magnetic coordinates (
ψ,𝜃,ζ
) with general toroidal angle
ζ
12.1
General toroidal angle
ζ
12.2
Contravariant form of magnetic field in (
ψ,𝜃,ζ
) coordinates
12.3
Relation between the partial derivatives in (
ψ,𝜃,ϕ
) and (
ψ,𝜃,ζ
) coordinates
12.4
Steps to construct a straight-line magnetic coordinate system
12.5
Form of operator
B
⋅∇
in (
ψ,𝜃,ζ
) coordinates
12.6
Resonant surface of a perturbation
12.7
Helical angle used in tearing mode theory
12.8
Covariant form of magnetic field in (
ψ,𝜃,ζ
) coordinate system
12.9
Form of operator (
B
×∇
ψ∕B
2
)
⋅∇
in (
ψ,𝜃,ζ
) coordinates
12.10
Radial differential operator
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