Fault-Tolerant Landau-Zener Quantum Gates
arXiv:quant-ph/0511264 · doi:10.1103/PhysRevA.73.012342
Abstract
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.
7 pages, 4 figures
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- Alternative fast quantum logic gates using nonadiabatic Landau-Zener-Stückelberg-Majorana transitions
- Ultrafast Manipulation of a Double Quantum Dot via Lyapunov Control Method
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- Multiple-time-scale Landau-Zener transitions in many-body systems
- High fidelity universal set of quantum gates using non-adiabatic rapid passage
- Landau-Zener Transitions in Spin Qubit Encoded in Three Quantum Dots