The Ion Trap Quantum Information Processor
arXiv:quant-ph/9608011 · doi:10.1007/s003400050225
Abstract
An introductory review of the linear ion trap is given, with particular regard to its use for quantum information processing. The discussion aims to bring together ideas from information theory and experimental ion trapping, to provide a resource to workers unfamiliar with one or the other of these subjects. It is shown that information theory provides valuable concepts for the experimental use of ion traps, especially error correction, and conversely the ion trap provides a valuable link between information theory and physics, with attendant physical insights. Example parameters are given for the case of calcium ions. Passive stabilisation will allow about 200 computing operations on 10 ions; with error correction this can be greatly extended.
This is an invited contribution for Applied Physics B. It will be submitted at the end of September (1996), and I would greatly appreciate any constructive criticism or suggested additions before then (email [email protected]). 37 pages plus 8 figures. Replaced version corrects figure references
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