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Testing incompatibility of quantum devices with few states
Tekijät: Heinosaari Teiko, Miyadera Takayuki, Takakura Ryo
Kustantaja: AMER PHYSICAL SOC
Julkaisuvuosi: 2021
Journal: Physical Review A
Tietokannassa oleva lehden nimi: PHYSICAL REVIEW A
Lehden akronyymi: PHYS REV A
Artikkelin numero: ARTN 032228
Vuosikerta: 104
Numero: 3
Sivujen määrä: 18
ISSN: 2469-9926
DOI: https://doi.org/10.1103/PhysRevA.104.032228
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/67523445
Tiivistelmä
When observations must come from incompatible devices and cannot be produced by compatible devices is a property that motivates two integer-valued quantifications of incompatibility, called incompatibility dimension and compatibility dimension. The first one quantifies how many states are minimally needed to detect incompatibility if the test states are chosen carefully, whereas the second one quantifies how many states one may have to use if they are randomly chosen. With concrete examples we show that these quantities have unexpected behavior with respect to noise.
When observations must come from incompatible devices and cannot be produced by compatible devices is a property that motivates two integer-valued quantifications of incompatibility, called incompatibility dimension and compatibility dimension. The first one quantifies how many states are minimally needed to detect incompatibility if the test states are chosen carefully, whereas the second one quantifies how many states one may have to use if they are randomly chosen. With concrete examples we show that these quantities have unexpected behavior with respect to noise.
Ladattava julkaisu This is an electronic reprint of the original article. |  |
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