A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Testing incompatibility of quantum devices with few states




Julkaisun 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

Volyymi: 104

Julkaisunumero: 3

Sivujen määrä: 18

ISSN: 2469-9926

DOI: http://dx.doi.org/10.1103/PhysRevA.104.032228


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.

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Last updated on 2021-28-10 at 14:38