Abstract
Quantum information can be processed using large ensembles of ultracold and trapped neutral atoms, building naturally on the techniques developed for high-precision spectroscopy and metrology. This article reviews some of the most important protocols for universal quantum logic with trapped neutrals, as well as the history and state-of-the-art of experimental work to implement these in the laboratory. Some general observations are made concerning the different strategies for qubit encoding, transport and interaction, including trade-offs between decoherence rates and the likelihood of two-qubit gate errors. These trade-offs must be addressed through further refinements of logic protocols and trapping technologies before one can undertake the design of a general-purpose neutral-atom quantum processor.
PACS: 03.67.Lx, 32.80.Pj, 34.50.-s
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Jessen, P.S., deutsch, I.H. & Stock, R. Quantum Information Processing with Trapped Neutral Atoms. Quantum Information Processing 3, 91–103 (2004). https://doi.org/10.1007/s11128-004-9418-2
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DOI: https://doi.org/10.1007/s11128-004-9418-2