Real-Life Schrödinger’s Cats Probe the Boundary of the Quantum World

Recent experiments have put relatively large objects into quantum states, illuminating the processes by which the ordinary world emerges out of the quantum one.

Microscopic image of 10-micrometer-long silicon beams

Entangling spatially separated clouds of thousands of atoms. Implications for quantum information processing, especially continuous variable methods. Probing the quantum-classical limit in terms of size of of objects or between quantum-classical transition in electromagnetic communication in terms of the number of photons.

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