Barrier Transmission Explorer

Exact vs WKB — resonances above barrier hit T=1 exactly like an anti-reflection coating. Each Å below barrier changes T by ×7.4.
V₀ = 2.0 eV
L = 1.0 nm
E = 1.0 eV
E = 1.00 eV
T_exact =
T_WKB =
T_ex/T_WKB =
STM: 1Å → ×7.4
Resonance 1: eV