Journal
PHYSICAL REVIEW LETTERS
Volume 103, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.120504
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Funding
- NSF [0803478, 0829937]
- DARPA QuEST [9550-09-1-0044]
- Government of Canada through Industry Canada
- Province of Ontario through the Ministry of Research and Innovation
- Direct For Computer & Info Scie & Enginr
- Division of Computing and Communication Foundations [0829937] Funding Source: National Science Foundation
- Division of Computing and Communication Foundations
- Direct For Computer & Info Scie & Enginr [0916400] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0803478] Funding Source: National Science Foundation
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The difficulty in producing precisely timed and controlled quantum gates is a significant source of error in many physical implementations of quantum computers. Here we introduce a simple universal primitive, adiabatic gate teleportation, which is robust to timing errors and many control errors and maintains a constant energy gap throughout the computation above a degenerate ground state space. This construction allows for geometric robustness based upon the control of two independent qubit interactions. Further, our piecewise adiabatic evolution easily relates to the quantum circuit model, enabling the use of standard methods from fault-tolerance theory for establishing thresholds.
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