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4 papers · 2 filters
Dynamically Error-Corrected Gates for Universal Quantum Computation
Kaveh Khodjasteh, Lorenza Viola
Scalable quantum computation in realistic devices requires that precise control can be implemented efficiently in the presence of decoherence and operational errors. We propose a g…
Probing the quantum coherence of a nanomechanical resonator using a superconducting qubit: I. Echo scheme
A. D. Armour, M. P. Blencowe
We propose a scheme in which the quantum coherence of a nanomechanical resonator can be probed using a superconducting qubit. We consider a mechanical resonator coupled capacitivel…
Probing the quantum coherence of a nanomechanical resonator using a superconducting qubit II: Implementation
M. P. Blencowe, A. D. Armour
We describe a possible implementation of the nanomechanical quantum superposition generation and detection scheme described in the preceding, companion paper [Armour A D and Blenco…
Rigorous Bounds on the Performance of a Hybrid Dynamical Decoupling-Quantum Computing Scheme
K. Khodjasteh, D. A. Lidar
We study dynamical decoupling in a multi-qubit setting, where it is combined with quantum logic gates. This is illustrated in terms of computation using Heisenberg interactions onl…