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Quantum entanglement is the mechanism by which quantum correlations between two sub-systems survive even after being physically separated from an interaction region. The correlations could in principle survive without neither time nor space constraint.

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No-go theorems: when can we go there?

For a field founded on probability and uncertainty, QM seems to have quite a few "rules" describing what is not possible. Are there any circumstances under which the no communication, no cloning or re …
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