Quantum Tunnelling

▸ Building the rectangular potential barrier (height V₀ · width a)…

▸ Initialising the wave packet |ψ|² & particle energy level E

▸ Computing the decay constant κ = √(2m(V₀−E))/ħ

▸ Splitting the reflected wave ◀ and transmitted wave ▶ (T + R = 1)

▸ Loading applications: alpha decay · STM · stellar fusion

▸ Ready — Online. ✅

Current scenario

⛰️ Rào vừa

Particle energy E—

Barrier height V₀—

Barrier width a—

Decay constant κ—

Transmission T—

Reflection R—

Quantum note

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A wave packet arrives from the left and hits the potential barrier → part reflects, part tunnels through even though E<V₀ · adjust E · V₀ · width a on the right

Transmission T / reflection R over time T (tunnelled)R (reflected)