Quantum Information Processing with Trapped
Neutral Atoms
P. S. Jessen, I. H. Deutsch, and R. Stock
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 the
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 de-coherence 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.
Quantum Information Processing 3, pp.15-27 (February
2004).
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