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Media type:
E-Article
Title:
Measurement-Based Quantum Correlations for Quantum Information Processing
Contributor:
Khalid, Uman;
ur Rehman, Junaid;
Shin, Hyundong
imprint:
Springer Science and Business Media LLC, 2020
Published in:Scientific Reports
Language:
English
DOI:
10.1038/s41598-020-59220-y
ISSN:
2045-2322
Origination:
Footnote:
Description:
<jats:title>Abstract</jats:title><jats:p>Measurement-based quantum correlations (MbQCs) depend on how strongly an observer perturbs the unobserved system. This distinctive property differentiates MbQCs from traditional quantum correlations such as entanglement and discord. We utilize MbQCs to elucidate quantum information processing capabilities in quantum computation and quantum state discrimination. We show that MbQCs exist more generally than entanglement and discord in optimal assisted quantum state discrimination and in a deterministic quantum computation with a single qubit. We also propose an MbQC-based dimension witness and analyze it in different noisy and noiseless scenarios.</jats:p>