Probabilistic programmable quantum processors

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This publication doesn't include Faculty of Economics and Administration. It includes Faculty of Informatics. Official publication website can be found on muni.cz.
Authors

BUŽEK Vladimír ZIMAN Mário HILLERY Mark

Year of publication 2004
Type Article in Periodical
Magazine / Source Fortschr.Phys.
MU Faculty or unit

Faculty of Informatics

Citation
Web http://www3.interscience.wiley.com/cgi-bin/abstract/109694547/ABSTRACT
Field Theoretical physics
Keywords quantum information; quantum computing
Description We analyze how to improve performance of probabilistic programmable quantum processors. We show how the probability of success of the probabilistic processor can be enhanced by using the processor in loops. In addition, we show that an arbitrary SU(2) transformations of qubits can be encoded in program state of a universal programmable probabilistic quantum processor. The probability of success of this processor can be enhanced by a systematic correction of errors via conditional loops. Finally, we show that all our results can be generalized also for qudits.
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