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Violation of local uncertainty relations as a signature of entanglement

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Title: Violation of local uncertainty relations as a signature of entanglement
Authors: Hofmann, Holger F. Browse this author
Takeuchi, Shigeki2 Browse this author →KAKEN DB
Authors(alt): 竹内, 繁樹2
Issue Date: 22-Sep-2003
Publisher: American Physical Society
Journal Title: Physical Review A
Volume: 68
Start Page: 032103
Publisher DOI: 10.1103/PhysRevA.68.032103
Abstract: Entangled states represent correlations between two separate systems that are too precise to be represented by products of local quantum states. We show that this limit of precision for the local quantum states of a pair of N-level systems can be defined by an appropriate class of uncertainty relations. The violation of such local uncertainty relations may be used as an experimental test of entanglement generation.
Rights: Copyright © 2003 American Physical Society
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 竹内 繁樹

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