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Quantum Information Processing
Erschienen in: Quantum Information Processing 12/2015

01.12.2015

Optimal joint remote state preparation of equatorial states

verfasst von: Xihan Li, Shohini Ghose

Erschienen in: Quantum Information Processing | Ausgabe 12/2015

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Abstract

We present a scheme for optimal joint remote state preparation of two-qubit equatorial states. Our protocol improves on a previous scheme (Choudhury and Dhara in Quantum Inf Process 14:373–379, 2015) that had a success probability of 25 %, which increased to 50 % when extra classical information is sent to the receiver. We show that using our modified scheme, the desired state can be prepared deterministically with the same quantum channel. Moreover, we generalize the scheme to prepare N-qubit equatorial states in which the receiver can reconstruct the original state with 100 % success probability.
Vorheriger Artikel Measurement-device-independent quantum key distribution with q-plate
Nächster Artikel Cryptanalysis and improvement of quantum private comparison of equality protocol without a third party

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Metadaten
Titel
Optimal joint remote state preparation of equatorial states
verfasst von
Xihan Li
Shohini Ghose
Publikationsdatum
01.12.2015
Verlag
Springer US
Erschienen in
Quantum Information Processing / Ausgabe 12/2015
Print ISSN: 1570-0755
Elektronische ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-015-1141-7

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