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Robert Call
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Tunneling Example 1

Tunneling is the quantum mechanical phenomenon where a particle moves through a potential barrier that it classically could not surmount. A classic example of tunneling is the passage of a classical electron through the potential barrier formed by the edges of a square potential well. Quantum mechanically, tunneling can be understood using the Heisenberg uncertainty principle and the wave–particle duality of matter. Tunneling is commonly observed in atomic, molecular, and solid-state systems. Tunneling is of particular importance in the field of quantum computing, and is the mechanism responsible for the quantum tunnelling effect, a process by which a particle tunnels through a barrier that it classically would not be able to surmount.

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RC
Robert Call
University of North Carolina at Chapel Hill
Physics 103

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Tunneling Example 2

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