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Physical Review A
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Tomographic quantum cryptography

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 29 Aug 2003Embargo end date: 01 Jan 2003 Singapore English Publisher:American Physical Society (APS)Journal:Physical Review A, volume 68 (issn: 1050-2947, eissn: 1094-1622, Copyright policy )
Authors: Liang, Y.C.; Kaszlikowski, D.; Englert, B.-G.; Kwek, L.C.; Oh, C.H.;

doi: 10.1103/physreva.68.022324 , 10.48550/arxiv.quant-ph/0305018

arXiv: quant-ph/0305018

handle: 10497/17292

Tomographic quantum cryptography

Abstract

We present a protocol for quantum cryptography in which the data obtained for mismatched bases are used in full for the purpose of quantum state tomography. Eavesdropping on the quantum channel is seriously impeded by requiring that the outcome of the tomography is consistent with unbiased noise in the channel. We study the incoherent eavesdropping attacks that are still permissible and establish under which conditions a secure cryptographic key can be generated. The whole analysis is carried out for channels that transmit quantum systems of any finite dimension.

REVTeX4, 9 pages, 3 figures, 1 table

Country
Singapore
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Keywords

Quantum Physics, 500, FOS: Physical sciences, Quantum Physics (quant-ph), 530

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    popularity
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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
34
Top 10%
Top 10%
Top 10%
Green
bronze