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Disentangling Photons and Atoms to Keep Quantum Systems Clean

Tangled wires

Entanglement is not always desirable. Careful experiment design could help avoid unplanned-for quantum entanglement between a system and its environment, something known as quantum decoherence.

Credit: Chrisopher Hynes

In quantum physics, the divisions between object and observer—the systems and environment—become blurred.

From ArsTechnica
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