Incompatibility of quantum instruments
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14330%2F24%3A00137779" target="_blank" >RIV/00216224:14330/24:00137779 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.22331/q-2024-02-12-1246" target="_blank" >http://dx.doi.org/10.22331/q-2024-02-12-1246</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.22331/q-2024-02-12-1246" target="_blank" >10.22331/q-2024-02-12-1246</a>
Alternative languages
Result language
angličtina
Original language name
Incompatibility of quantum instruments
Original language description
Quantum instruments describe outcome probability as well as state change induced by measurement of a quantum system. Incompatibility of two instruments, i. e. the impossibility to realize them simultaneously on a given quantum system, generalizes incompatibility of channels and incompatibility of positive operator -valued measures (POVMs). We derive implications of instrument compatibility for the induced POVMs and channels. We also study relation of instrument compatibility to the concept of non -disturbance. Finally, we prove equivalence between instrument compatibility and postprocessing of certain instruments, which we term complementary instruments. We illustrate our findings on examples of various classes of instruments.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10200 - Computer and information sciences
Result continuities
Project
<a href="/en/project/8C20005" target="_blank" >8C20005: Experimetnally-oriented Device Independent CrypTography</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
QUANTUM
ISSN
2521-327X
e-ISSN
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Volume of the periodical
8
Issue of the periodical within the volume
1246
Country of publishing house
CH - SWITZERLAND
Number of pages
31
Pages from-to
1-31
UT code for WoS article
001163135300001
EID of the result in the Scopus database
2-s2.0-85185776004