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Quantum entanglement

Watching correlations disappear

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Engineered decoherence enables tracking of multipartite entanglement as a quantum state decays.

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Figure 1: Progression of entanglement properties as the decoherence of the four-qubit entangled state increases.

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  1. Jonathan Home is in the Institute for Quantum Electronics, ETH Zurich, Hoenggerberg, Zurich 8093, Switzerland. jhome@phys.ethz.ch,

    Jonathan Home

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  1. Jonathan Home
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Home, J. Watching correlations disappear. Nature Phys 6, 938–939 (2010). https://doi.org/10.1038/nphys1824

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