Experimentally implementable criteria revealing substructures of genuine multipartite entanglement

Experimentally implementable criteria revealing substructures of genuine multipartite entanglement

We present a general framework that reveals substructures of genuine multipartite entanglement. Via simple inequalities it is possible to discriminate different sets of multipartite qubit states. These inequalities are beneficial regarding experimental examinations as only local measurements are req...

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Veröffentlicht in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2011-02, Vol.83 (2), Article 022328
Hauptverfasser: Huber, Marcus, Schimpf, Hans, Gabriel, Andreas, Spengler, Christoph, Bruß, Dagmar, Hiesmayr, Beatrix C.
Format: Artikel
Sprache:eng
Schlagworte:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DATA
EXPERIMENTAL DATA
INFORMATION
NOISE
NUMERICAL DATA
QUANTUM ENTANGLEMENT
QUANTUM INFORMATION
QUBITS
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Beschreibung
Zusammenfassung:We present a general framework that reveals substructures of genuine multipartite entanglement. Via simple inequalities it is possible to discriminate different sets of multipartite qubit states. These inequalities are beneficial regarding experimental examinations as only local measurements are required. Furthermore, the number of observables scales favorably with system size. In exemplary cases we demonstrate the noise resistance and discuss implementations.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.83.022328