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Quantum Information Processing
Erschienen in: Quantum Information Processing 3/2015

01.03.2015

Controlled remote state preparation via partially entangled quantum channel

verfasst von: Chun Wang, Zhi Zeng, Xi-Han Li

Erschienen in: Quantum Information Processing | Ausgabe 3/2015

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Abstract

We propose two controlled remote state preparation protocols via partially entangled channels. One prepares a single-qubit state, and the other prepares a two-qubit state. Different from other controlled remote state preparation schemes which also utilize partially entangled channels, neither auxiliary qubits nor two-qubit unitary transformations are required in our schemes, and the success probabilities are independent of the coefficients of the quantum channel. The success probabilities are 50 and 25 % for arbitrary single-qubit states and two-qubit states, respectively. We also show that the success probabilities can reach 100 % for restricted classes of states.
Vorheriger Artikel A scheme for remote state preparation of a general pure qubit with optimized classical communication cost
Nächster Artikel Multi-qudit state sharing via various high-dimensional Bell channels

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Metadaten
Titel
Controlled remote state preparation via partially entangled quantum channel
verfasst von
Chun Wang
Zhi Zeng
Xi-Han Li
Publikationsdatum
01.03.2015
Verlag
Springer US
Erschienen in
Quantum Information Processing / Ausgabe 3/2015
Print ISSN: 1570-0755
Elektronische ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-015-0917-0

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