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Autori principali: Ha, Donghoon, Kim, Jeong San
Natura: Preprint
Pubblicazione: 2025
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Accesso online:https://arxiv.org/abs/2510.20311
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author Ha, Donghoon
Kim, Jeong San
author_facet Ha, Donghoon
Kim, Jeong San
contents We consider the discrimination of quantum sequences under maximum-confidence measurements and show that the optimal discrimination of a quantum sequence ensemble can always be factorized into that of each individual ensemble. In other words, the optimal quantum sequence discrimination under maximum-confidence measurements can be achieved just by performing a maximum-confidence discrimination independently at each step of the quantum sequence. We also show that the maximum confidence of identifying a quantum sequence is to achieve the maximum confidence of identifying each state comprising the quantum sequence. We further provide a necessary and sufficient condition for the optimal quantum state discrimination under maximum-confidence measurements.
format Preprint
id arxiv_https___arxiv_org_abs_2510_20311
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Factorizability of optimal quantum sequence discrimination under maximum-confidence measurements
Ha, Donghoon
Kim, Jeong San
Quantum Physics
We consider the discrimination of quantum sequences under maximum-confidence measurements and show that the optimal discrimination of a quantum sequence ensemble can always be factorized into that of each individual ensemble. In other words, the optimal quantum sequence discrimination under maximum-confidence measurements can be achieved just by performing a maximum-confidence discrimination independently at each step of the quantum sequence. We also show that the maximum confidence of identifying a quantum sequence is to achieve the maximum confidence of identifying each state comprising the quantum sequence. We further provide a necessary and sufficient condition for the optimal quantum state discrimination under maximum-confidence measurements.
title Factorizability of optimal quantum sequence discrimination under maximum-confidence measurements
topic Quantum Physics
url https://arxiv.org/abs/2510.20311