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dc.contributor.author임향택-
dc.contributor.authorJong-Chan Lee-
dc.contributor.authorKang-Hee Hong-
dc.contributor.authorYoon-Ho Kim-
dc.date.accessioned2021-06-09T04:25:42Z-
dc.date.available2021-06-09T04:25:42Z-
dc.date.issued2014-11-
dc.identifier.citationVOL 90, NO 5, 052328-
dc.identifier.issn2469-9926-
dc.identifier.other56126-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/72468-
dc.description.abstractOne of the most intriguing features of entanglement is that entangled quantum systems exhibit exchange symmetry-
dc.description.abstractthat is, local quantum operations on the subsystems may be interchanged without affecting the quantum state. In this work, we investigate whether the exchange symmetry is preserved for the weak (or partial collapse) measurement, a type of quantum operation, in the presence of decoherence. Demonstrated using two entangled photonic polarization qubits, the experimental results clearly show that the exchange symmetry is broken once decoherence is introduced, even though the photons still share nonzero entanglement. Our results shed light on quantum state manipulation using general quantum operations on entangled quantum states in the presence of decoherence.-
dc.publisherPhysical review. A-
dc.titleObservation of decoherence-induced exchange symmetry breaking in an entangled state-
dc.typeArticle-
dc.relation.page052328-
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