Bell Measurement and Local Measurement in the Modified Lo-Chau Quantum Key Distribution Protocol

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dc.creatorHwang, W. -Y.
dc.date2004-02-04
dc.date2005-08-07
dc.date.accessioned2026-07-07T06:08:55Z
dc.date.available2026-07-07T06:08:55Z
dc.descriptionWe clarify the argument on the how (nonlocal) degenerate Bell measurement can be replaced by local measurements in the modified Lo-Chau quantum key distribution protocol. Discussing security criterion for users, we describe how eavesdropper's refined information on the final state is not helpful. We argue that current discussions on the equivalence of the Bell and the local measurements are not clear. We show how the problem of equivalence can be resolved using the fact that eavesdropper's refined information is not helpful for her.
dc.descriptionMinor corrections, 5 pages, RevTex
dc.identifierhttps://arxiv.org/abs/quant-ph/0402032
dc.identifierhttp://arxiv.org/abs/quant-ph/0402032
dc.identifierJournal of the Korean Physical Society 47, 409 (2005)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/91802
dc.subjectQuantum Physics
dc.titleBell Measurement and Local Measurement in the Modified Lo-Chau Quantum Key Distribution Protocol
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