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Quantum physics

Correlations without parts

Quantum correlations between the parts of composite systems have long fascinated physicists. There is now compelling evidence that such correlations can also occur in systems in which no parts can be identified. See Letter p.490

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Figure 1: Comparing separate and sequential tests.


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Correspondence to Adán Cabello.

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Cabello, A. Correlations without parts. Nature 474, 456–458 (2011).

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