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Open Quantum Systems Decoherence

Discrimination of bosonic dephasing quantum channels

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Authors: Samad Khabbazi Oskouei, Laleh Memarzadeh, Stefano Mancini, Milajiguli Rexiti

Year

2024

Paper ID

4917

Status

Peer-reviewed

Abstract Read

~2 min

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Abstract

Abstract We study the possibility of discriminating between two bosonic dephasing quantum channels. We show that unambiguous discrimination is not realizable. We then consider discrimination with nonzero error probability and minimize this latter in the absence of input constraints. In the presence of an input energy constraint, we derive an upper bound on the error probability. Finally, we extend these results from single-shot to multi-shot discrimination, envisaging the asymptotic behavior.

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Abstract We study the possibility of discriminating between two bosonic dephasing quantum channels.

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References & Citation Signals

[1] DOI https://doi.org/10.1088/1751-8121/ad9fbd [2] Publisher https://doi.org/10.1088/1751-8121/ad9fbd

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