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Quantum physics

Disturbance without the force

Charged particles influenced by electromagnetic fields, even when the two never touch? Surely, it can only be quantum physics. But surprisingly, the quantum nature of this particular effect has been disputed.

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Figure 1: The Aharonov–Bohm effect.


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Tonomura, A., Nori, F. Disturbance without the force. Nature 452, 298–299 (2008).

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