Bloch Oscillation

Oscillation of a particle confined in a periodic potential under a constant force, first predicted for electrons in perfect crystals.

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A phenomenon from solid state physics: the oscillation of a particle confined in a periodic potential when a constant force acts on it.
First pointed out by Felix Bloch and Clarence Zener while studying the electrical properties of crystals.
They predicted that electrons in a perfect crystal under a constant electric field would move oscillatively rather than uniformly.