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Researchers at the Niels Bohr Institute at the University of Copenhagen have entangled two very different quantum objects — a mechanical oscillator/vibrating dielectric membrane, and a cloud of atoms with each atom acting as a tiny magnet. The research has potential applications in ultraprecise sensing and quantum communications, as both objects acquired the ability to be entangled by physically connecting with photons. Atoms can be useful in processing quantum information, and the membrane — or mechanical quantum systems in general — can be useful for the storage of quantum information.
The entangled objects move in a correlated way, with a precision better than the zero-point motion — the residual…READ MORE