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Quantum physics

Trapped ion set to quiver

The peculiar ultra-fast trembling motion of a free electron — the Zitterbewegung predicted by Erwin Schrödinger in 1930 when he scrutinized the Dirac equation — has been simulated using a single trapped ion.

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Wunderlich, C. Trapped ion set to quiver. Nature 463, 37–39 (2010).

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