Landauer-Büttiker — Conductance Quantization

G = (2e²/h)·ΣT_n. Steps of 2e²/h (≈ 77.5 μS) as channels open in a quantum point contact. Temperature smearing.

Gate voltage V_g: 0.0

Temperature T: 0.05

Constriction width W: 1.0

QPC Device & Wavefunctions

G vs Gate Voltage (conductance steps)

Transmission T_n(E) per channel