Constants library

2 values, each with its units, its uncertainty, and where it came from.

Electromagnetic 2

G_{0} = 0.00007748091729863649\ \text{S}

SThe conductance 2e²/h of a single ballistic quantum channel, about 77.5 μS — the step size in nanoscale wires and atomic point contacts.

G_{0}^{-1} = 12906.40372965225\ \text{Ω}

ΩHalf the von Klitzing constant, h/2e² ≈ 12.906 kΩ — the resistance of one perfect ballistic channel and the floor for any nanoscale wire.