Quantum communication beyond the localization length in disordered spin chains

Details Quantum communication beyond the localization length in disordered spin chains Quantum communication beyond the localization length in disordered spin chains

2008-01-31

arxiv.org/abs/0801.4867v1

Physics

Quantum Physics

5 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.102.110501

We study the effects of localization on quantum state transfer in spin
chains. We show how to use quantum error correction and multiple parallel spin
chains to send a qubit with high fidelity over arbitrary distances; in
particular distances much greater than the localization length of the chain.

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