Solid-state quantum communication with Josephson arrays

Romito, Alessandro and Fazio, Rosario and Bruder, C. (2005) Solid-state quantum communication with Josephson arrays. Physical Review B - Condensed Matter and Materials Physics, 71 (10). ISSN 1098-0121

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Abstract

Josephson junction arrays can be used as quantum channels to transfer quantum information between distant sites. In this paper we discuss simple protocols to realize state transfer with high fidelity. The channels do not require complicated gating but use the natural dynamics of a properly designed array. We investigate the influence of static disorder both in the Josephson energies and in the coupling to the background gate charges, as well as the effect of dynamical noise. We also analyze the readout process, and its back action on the state transfer.

Item Type: Journal Article
Journal or Publication Title: Physical Review B - Condensed Matter and Materials Physics
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 139258
Deposited By: ep_importer_pure
Deposited On: 02 Dec 2019 16:35
Refereed?: Yes
Published?: Published
Last Modified: 07 Jan 2020 07:05
URI: https://eprints.lancs.ac.uk/id/eprint/139258

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