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Title: Toroidal qubits: naturally-decoupled quiet artificial atoms
Authors: Zagoskin, Alexandre M.
Chipouline, Arkadi
Il’ichev, E.
Johansson, J. Robert
Nori, Franco
Keywords: Qubits
Superconducting devices
Issue Date: 2015
Publisher: © The Authors. Published by Nature Publishing Group
Citation: ZAGOSKIN, A.M. ...et al., 2015. Toroidal qubits: Naturally-decoupled quiet artificial atoms. Scientific Reports, 5:16934.
Abstract: The requirements of quantum computations impose high demands on the level of qubit protection from perturbations; in particular, from those produced by the environment. Here we propose a superconducting flux qubit design that is naturally protected from ambient noise. This decoupling is due to the qubit interacting with the electromagnetic field only through its toroidal moment, which provides an unusual qubit-field interaction, which is suppressed at low frequencies.
Description: This is an Open Access Article. It is published by Nature under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
Sponsor: A.Z. was supported in part by the EPSRC grant EP/M006581/1 and by the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUSTMISiS(No. K2-2014-015). A.C. acknowledges financial support by the Federal Ministry of Education and Research in the frame of a PhoNa Project. E.I. acknowledges funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) under Grant No. 270843 (iQIT)
Version: Published
DOI: 10.1038/srep16934
URI: https://dspace.lboro.ac.uk/2134/19900
Publisher Link: http://dx.doi.org/10.1038/srep16934
Appears in Collections:Published Articles (Physics)

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