Quantum Zeno effect by incomplete measurements

A measurement process needs a time duration in many actual cases, such as the measurement on atomic system by the electron shelving technique. If this timescale is deficient, the measurement would be incomplete. Here, we investigate the quantum Zeno effect by incomplete measurements. We show that an...

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Bibliographic Details
Published in:Quantum information processing 2019-04, Vol.18 (4), p.1-11, Article 97
Main Authors: Zhang, Manchao, Wu, Chunwang, Xie, Yi, Wu, Wei, Chen, Pingxing
Format: Article
Language:English
Subjects:
Data Structures and Information Theory
Mathematical Physics
Physics
Physics and Astronomy
Quantum Computing
Quantum Information Technology
Quantum Physics
Shelving
Spintronics
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Summary:A measurement process needs a time duration in many actual cases, such as the measurement on atomic system by the electron shelving technique. If this timescale is deficient, the measurement would be incomplete. Here, we investigate the quantum Zeno effect by incomplete measurements. We show that an efficient freeze of the quantum state by incomplete measurements is available. And interestingly, this state freeze can be more significant than that obtained in the complete measurement case if the parameters of incomplete measurements are properly set.
ISSN:1570-0755
1573-1332
DOI:10.1007/s11128-019-2194-9