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@article{484397,
author = {Hillery, Mark and Bůžek, Vladimír and Ziman, Mario},
article_location = {New York},
article_number = {04},
keywords = {quantum information; CP maps; universal quantum processors},
language = {eng},
issn = {1050-2947},
journal = {Physical Review A},
title = {Implementation of quantum maps by programmable quantum processors},
volume = {66},
year = {2002}
}
TY - JOUR
ID - 484397
AU - Hillery, Mark - Bůžek, Vladimír - Ziman, Mario
PY - 2002
TI - Implementation of quantum maps by programmable quantum processors
JF - Physical Review A
VL - 66
IS - 04
SP - 042302
EP - 042302
PB - American Physical Society
SN - 10502947
KW - quantum information
KW - CP maps
KW - universal quantum processors
N2 - A quantum processor is a device with a data register and a program register. The input to the program register determines the operation, which is a completely positive linear map, that will be performed on the state in the data register. We develop a mathematical description for these devices, and apply it to several different examples of processors. The problem of finding a processor that will be able to implement a given set of mappings is also examined, and it is shown that while it is possible to design a finite processor to realize the phase-damping channel, it is not possible to do so for the amplitude-damping channel.
ER -
HILLERY, Mark, Vladimír BŮŽEK a Mario ZIMAN. Implementation of quantum maps by programmable quantum processors. \textit{Physical Review A}. New York: American Physical Society, 2002, roč.~66, č.~04, s.~042302-42310. ISSN~1050-2947.
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