Complete Characterization of a Quantum Process: The Two-Bit Quantum Gate

1996/11/10 by J. F. Poyatos, J. I. Cirac, P. Zoller · 17 citations
Computer Science · Physics and Astronomy · #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum Mechanics and Applications #quant-ph

paper · pdf · doi:10.1103/physrevlett.78.390

Accepted for publication in Physical Review Letters 08Nov96 (submitted 15Jly96)

arxiv created 1996/11/10 · openalex publication_date 1997/01/13 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/29

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.

Citations

• Separability Criterion for Density Matrices

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