Function magnetic_helicity_density_kernel 

pub fn magnetic_helicity_density_kernel(
    potential: &CausalMultiVector<f64>,
    field: &CausalMultiVector<f64>,
) -> Result<f64, PhysicsError>

Calculates Magnetic Helicity Density: $h = A \cdot B$.

Arguments

• potential - Vector potential $A$.
• field - Magnetic field $B$.

Returns

• Result<f64, PhysicsError> - Helicity density scalar.