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Lecture 20 – Quantum Tunneling of Electrons 3/20/09. Notes by MIT Student ... particles to sometimes tunnel through the barrier from a lower energy, rather than
Quantum tunnelling or tunneling (see spelling differences) is the quantum mechanical phenomenon where a particle tunnels through a barrier that it classically cannot surmount.
Lecture 13, p 5 Tunneling In quantum mechanics a particle can penetrate into a barrier where it would be classically forbidden. The finite square well: