title: Fault-tolerant almost exact state transmission.
abstract: 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.
authors.affiliation: 1] Department of Physics, Ocean University of China, Qingdao, 266100, China [2] Department of Theoretical Physics and History of Science, University of the Basque Country UPV/EHU, 48008, Spain.
authors.forename: Zhao-Ming
authors.initials: ZM
authors.lastname: Wang
authors.forename: Lian-Ao
authors.initials: LA
authors.lastname: Wu
authors.forename: Michele
authors.initials: M
authors.lastname: Modugno
authors.forename: Wang
authors.initials: W
authors.lastname: Yao
authors.forename: Bin
authors.initials: B
authors.lastname: Shao