Available Operators

Identity

Velocity

HamDiff

Spin Density

Spin Current

Orbital Density

OrbitalDensity

Orbital Current

OrbitalCurrent

Quadripole Density

QuadripoleDensity

\(Q_{ab}=\{L_a,L_b\}\) with \(L_a\) being the orbital operator polarized along \(a\)

Quadripole Current

QuadripoleCurrent

\(\frac{1}{2}\{v, Q_{ab}\}\)

Magnetic Octupole Density

MagneticOctupoleDensity

Defined as \(O_{ab}^c=\{L_a, L_b\} S_c\).

Magnetic Octupole Current

MagneticOctupoleCurrent \(\frac{1}{2}\{v, O_{ab}^c\}\)