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Schrödinger’s cat is verified by a vibrating crystal

The famed thought experiment, which posits that a cat can be alive and dead at the same time, is confirmed with classical evidence.
Mechanical oscillator, part of the device described in the paper. Close up on a finger.

A device that includes a vibrating sapphire crystal has demonstrated that even objects much bigger than atoms can be in a superposition. Credit: Matteo Fadel

Physicists have put an object in two simultaneous vibrating states, emulating the cat that is both dead and alive in Erwin Schrödinger’s celebrated thought experiment1.

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Nature 617, 11 (2023)

doi: https://doi.org/10.1038/d41586-023-01414-1

References

  1. Bild, M. et al. Science 380, 274–278 (2023).

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