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2018 | OriginalPaper | Chapter

Controlled Bidirectional Remote Preparation of Single- and Two-Qubit State

Authors : Yi-Ru Sun, Gang Xu, Xiu-Bo Chen, Yi-Xian Yang

Published in: Cloud Computing and Security

Publisher: Springer International Publishing

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Abstract

We propose two novel schemes for controlled bidirectional remote state preparation of single- and two-qubit state by using five- and nine-qubit entangled state as the quantum channel. First, our schemes are considered in two cases that the coefficients of prepared state are real and complex, respectively. Second, by virtue of appropriate measurement and the corresponding local unitary operations, we explicitly give how to accomplish these preparation tasks. Third, taking the first scheme as an example, we discuss our scheme in four kinds of noisy environments (bit-flip, phase-flip, amplitude-damping and depolarizing noisy environment). We calculate fidelity and find that it depends on the prepared state coefficients and decoherence rate. Eventually, some discussions are given.

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Appendix
Available only for authorised users
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Metadata
Title
Controlled Bidirectional Remote Preparation of Single- and Two-Qubit State
Authors
Yi-Ru Sun
Gang Xu
Xiu-Bo Chen
Yi-Xian Yang
Copyright Year
2018
Book
Cloud Computing and Security

Print ISBN: 978-3-030-00011-0

Electronic ISBN: 978-3-030-00012-7

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-030-00012-7_49

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