Abstract

We show how to fully characterize a quantum process in an open quantum system. We particularize the procedure to the case of a universal two-qubit gate in a quantum computer. We illustrate the method with a numerical simulation of a quantum gate in the ion trap quantum computer.

Keywords

Quantum computerQuantum gateQubitTrapped ion quantum computerPhysicsQuantum error correctionControlled NOT gateQuantum networkOpen quantum systemQuantum circuitQuantum simulatorQuantum mechanicsQuantum algorithmQuantumQuantum processQuantum technologyQuantum informationProcess (computing)Computer scienceQuantum dynamics

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Publication Info

Year
1997
Type
article
Volume
78
Issue
2
Pages
390-393
Citations
664
Access
Closed

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Cite This

J. F. Poyatos, J. I. Cirac, P. Zoller (1997). Complete Characterization of a Quantum Process: The Two-Bit Quantum Gate. Physical Review Letters , 78 (2) , 390-393. https://doi.org/10.1103/physrevlett.78.390

Identifiers

DOI
10.1103/physrevlett.78.390