Fault-Tolerant Landau-Zener Quantum Gates

Details Fault-Tolerant Landau-Zener Quantum Gates Fault-Tolerant Landau-Zener Quantum Gates

2005-11-29

arxiv.org/abs/quant-ph/0511264v1

Physics

Quantum Physics

7 pages, 4 figures

Scientific paper

10.1103/PhysRevA.73.012342

We present a method to perform fault-tolerant single-qubit gate operations using Landau-Zener tunneling. In a single Landau-Zener pulse, the qubit transition frequency is varied in time so that it passes through the frequency of the radiation field. We show that a simple three-pulse sequence allows eliminating errors in the gate up to the third order in errors in the qubit energies or the radiation frequency.

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