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Ultracold neutrons

Quantum bouncing ball resonates

Spectroscopic techniques typically probe the interaction between matter and electromagnetic fields. An experiment now demonstrates that transitions between quantum states of neutrons can be brought about by mechanically vibrating a mirror, an approach that may lead to sensitive tests of gravity laws.

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Figure 1: Strong and heavy.

References

  1. Golub, R., Richardson, D. & Lamoreaux, S. K. Ultracold Neutrons (Taylor and Francis, 1991).

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Correspondence to Geoffrey L. Greene.

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Greene, G. Quantum bouncing ball resonates. Nature Phys 7, 447–448 (2011). https://doi.org/10.1038/nphys1990

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