RESONANT TUNNELING

Well width d (nm)5

Barrier width b (nm)2

Barrier height V₀ (eV)0.3

Peak T at E₁—

Resonance E₁—

FWHM Γ—

T(E) = |t|² via transfer matrix
M = M_L · M_well · M_R
κ(V>E): e^{±κx}
k(E): plane wave e^{±ikx}
Resonance: sin(kd)≈0

Quantum resonant tunneling — unity transmission at bound-state energies