We show that a category of one-dimensional XY-type models may enable high-fidelity quantum state transmissions, regardless of details of coupling configurations. This observation leads to a fault-tolerant design of a state transmission setup. The setup is fault-tolerant, with specified thresholds, against engineering failures of coupling configurations, fabrication imperfections or defects, and even time-dependent noises. We propose an experimental implementation of the fault-tolerant scheme using hard-core bosons in one-dimensional optical lattices.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3816291 | PMC |
| http://dx.doi.org/10.1038/srep03128 | DOI Listing |
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