Quantum tool opens door to uncharted phenomena

Entanglement is a quantum phenomenon where the properties of two or more particles become interconnected in such a way that one cannot assign a definite state to each individual particle anymore. Rather, we have to consider ...

Time-delocalized variables violating causal inequalities

A team of researchers from the Université libre de Bruxelles and the French National Center for Scientific Research have shown for the first time that an exotic type of process violating causal inequalities can be realized ...

A new theory of quantum subsystems

When studying a complex system, scientists identify smaller pieces called subsystems that they can make sense of. By studying subsystems and the correlations between them, they reconstruct an understanding of the whole.

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