Discrimination and certification of unknown quantum measurements

We study the discrimination of von Neumann measurements in the scenario when we are given a reference measurement and some other measurement. The aim of the discrimination is to determine whether the other measurement is the same as the first one. We consider the cases when the reference measurement...

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Main Authors: Aleksandra Krawiec, Łukasz Pawela, Zbigniew Puchała
Format: Article
Language:English
Published: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften 2024-02-01
Series:Quantum
Online Access:https://quantum-journal.org/papers/q-2024-02-29-1269/pdf/
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author Aleksandra Krawiec
Łukasz Pawela
Zbigniew Puchała
author_facet Aleksandra Krawiec
Łukasz Pawela
Zbigniew Puchała
author_sort Aleksandra Krawiec
collection DOAJ
description We study the discrimination of von Neumann measurements in the scenario when we are given a reference measurement and some other measurement. The aim of the discrimination is to determine whether the other measurement is the same as the first one. We consider the cases when the reference measurement is given without the classical description and when its classical description is known. Both cases are studied in the symmetric and asymmetric discrimination setups. Moreover, we provide optimal certification schemes enabling us to certify a known quantum measurement against the unknown one.
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spelling doaj.art-61e69559841d4881a754f5757d41ca4c2024-03-21T09:20:12ZengVerein zur Förderung des Open Access Publizierens in den QuantenwissenschaftenQuantum2521-327X2024-02-018126910.22331/q-2024-02-29-126910.22331/q-2024-02-29-1269Discrimination and certification of unknown quantum measurementsAleksandra KrawiecŁukasz PawelaZbigniew PuchałaWe study the discrimination of von Neumann measurements in the scenario when we are given a reference measurement and some other measurement. The aim of the discrimination is to determine whether the other measurement is the same as the first one. We consider the cases when the reference measurement is given without the classical description and when its classical description is known. Both cases are studied in the symmetric and asymmetric discrimination setups. Moreover, we provide optimal certification schemes enabling us to certify a known quantum measurement against the unknown one.https://quantum-journal.org/papers/q-2024-02-29-1269/pdf/
spellingShingle Aleksandra Krawiec
Łukasz Pawela
Zbigniew Puchała
Discrimination and certification of unknown quantum measurements
Quantum
title Discrimination and certification of unknown quantum measurements
title_full Discrimination and certification of unknown quantum measurements
title_fullStr Discrimination and certification of unknown quantum measurements
title_full_unstemmed Discrimination and certification of unknown quantum measurements
title_short Discrimination and certification of unknown quantum measurements
title_sort discrimination and certification of unknown quantum measurements
url https://quantum-journal.org/papers/q-2024-02-29-1269/pdf/
work_keys_str_mv AT aleksandrakrawiec discriminationandcertificationofunknownquantummeasurements
AT łukaszpawela discriminationandcertificationofunknownquantummeasurements
AT zbigniewpuchała discriminationandcertificationofunknownquantummeasurements