Method for direct detection of quantum entanglement.

Basing on positive maps separability criterion we propose the experimentally viable, direct detection of quantum entanglement. It is efficient and does not require any a priori knowledge about the state. For two qubits it provides a sharp (i.e., "if and only if") separability test and esti...

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Main Authors: Horodecki, P, Ekert, A
Format: Journal article
Language:English
Published: 2002
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author Horodecki, P
Ekert, A
author_facet Horodecki, P
Ekert, A
author_sort Horodecki, P
collection OXFORD
description Basing on positive maps separability criterion we propose the experimentally viable, direct detection of quantum entanglement. It is efficient and does not require any a priori knowledge about the state. For two qubits it provides a sharp (i.e., "if and only if") separability test and estimation of amount of entanglement. We view this method as a new form of quantum computation, namely, as a decision problem with quantum data structure.
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spelling oxford-uuid:00d21299-b4ab-4598-b6ec-2424a0c23eb72022-03-26T08:31:36ZMethod for direct detection of quantum entanglement.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:00d21299-b4ab-4598-b6ec-2424a0c23eb7EnglishSymplectic Elements at Oxford2002Horodecki, PEkert, ABasing on positive maps separability criterion we propose the experimentally viable, direct detection of quantum entanglement. It is efficient and does not require any a priori knowledge about the state. For two qubits it provides a sharp (i.e., "if and only if") separability test and estimation of amount of entanglement. We view this method as a new form of quantum computation, namely, as a decision problem with quantum data structure.
spellingShingle Horodecki, P
Ekert, A
Method for direct detection of quantum entanglement.
title Method for direct detection of quantum entanglement.
title_full Method for direct detection of quantum entanglement.
title_fullStr Method for direct detection of quantum entanglement.
title_full_unstemmed Method for direct detection of quantum entanglement.
title_short Method for direct detection of quantum entanglement.
title_sort method for direct detection of quantum entanglement
work_keys_str_mv AT horodeckip methodfordirectdetectionofquantumentanglement
AT ekerta methodfordirectdetectionofquantumentanglement