Minimum-error state discrimination and quantitative wave particle duality

We establish the link between minimum-error discrimination of two pure states and wave particle duality in two-path interferometers. In particular, the upper bound of the probability of success discrimination is derived directly from the corresponding duality relation. It is already known that quant...

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Bibliographic Details
Published in:Physics letters. A 2020-08, Vol.384 (22), p.126538, Article 126538
Main Author: Lü, Xin
Format: Article
Language:English
Subjects:
Minimum-error state discrimination
Wave particle duality
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Summary:We establish the link between minimum-error discrimination of two pure states and wave particle duality in two-path interferometers. In particular, the upper bound of the probability of success discrimination is derived directly from the corresponding duality relation. It is already known that quantum state discrimination can produce wave particle duality relations, here we show the converse is also true: Wave particle duality can be used to obtain information about state discrimination.
ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2020.126538