FLUX QUANTIZATION
Φ = nΦ₀, Φ₀ = h/2e = 2.07×10⁻¹⁵ Wb
Applied flux Φ/Φ₀
1.5
κ = λ/ξ (GL param)
5.0
Temperature T/Tc
0.3
Add Vortex
Clear Vortices
OBSERVABLES
Flux quanta (n)
—
Type
—
λ_L (penetration)
—
ξ (coherence)
—
Hc₁ / Hc₂
—
Φ = ∮ A·dl = nΦ₀ (London eq.)
In type-II SCs (κ > 1/√2), flux enters as Abrikosov vortices, each carrying exactly one flux quantum Φ₀. The order parameter vanishes at the vortex core (size ξ), and supercurrents circulate within the penetration depth λ.