Scientists cooled a nanoparticle to the quantum limit

The particle’s motion reached the lowest level allowed by the Heisenberg uncertainty principle

nanoparticle

Scientists cooled a nanoparticle in a specially designed cavity (shown), reaching the lowest temperature permitted by quantum mechanics. Laser light scattering off of the nanoparticle appears as a dot in the center of this artificially colored image.

Kahan Dare, Lorenzo Magrini and Yuriy Coroli/University of Vienna

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