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Abstract: We develop a numerical algorithm to calculate the degrees of irreduciblemultiparty correlations for an arbitrary multiparty quantum state, which isefficient for any quantum state of up to five qubits. We demonstrate the powerof the algorithm by the explicit calculations of the degrees of irreduciblemultiparty correlations in the 4-qubit GHZ state, the Smolin state, and the5-qubit W state. This development takes a crucial step towards practicalapplications of irreducible multiparty correlations in real quantum many-bodyphysics.



Autor: D.L. Zhou

Fuente: https://arxiv.org/







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