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Quantum Information Processing

, Volume 5, Issue 5, pp 313–420 | Cite as

Programmable Quantum Processors

  • Vladimír Bužek
  • Mark Hillery
  • Mário Ziman
  • Marián Roško
Article

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. We generalize the concept of quantum programmable processors and we propose programmable measurement devices.

Keywords

Quantum program registers programmable quantum processor positive operator-valued measurements 

Pacs

03.67.-a 03.67.Lx 03.65.Ta 

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • Vladimír Bužek
    • 1
    • 2
    • 3
  • Mark Hillery
    • 4
  • Mário Ziman
    • 1
    • 3
    • 5
  • Marián Roško
    • 1
    • 3
  1. 1.Research Center for Quantum InformationInstitute of Physics, Slovak Academy of SciencesBratislavaSlovakia
  2. 2.Abteilung für QuantenphysikUniversität UlmUlmGermany
  3. 3.QuniverseBratislavaSlovakia
  4. 4.Department of PhysicsHunter College of CUNYNew YorkUSA
  5. 5.Faculty of InformaticsMasaryk UniversityBrnoCzech Republic

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