Electromagnetically induced tunnelling suppression in a flux qubit

R. Migliore and A. Messina ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2003, vol. 34, issue 3, 269-273

Abstract: Motivated by recent experiments wherein Josephson devices are irradiated by microwaves fields or are coupled to LC resonators, we theoretically investigate the dynamics of a flux qubit coupled to a monochromatic bosonic mode. We define strong coupling conditions under which the qubit tunnelling frequency between the localized flux states can be controlled and even suppressed. The practical realization of such a regime leading to this hindered dynamics is discussed. Copyright Springer-Verlag Berlin/Heidelberg 2003

Date: 2003
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DOI: 10.1140/epjb/e2003-00221-5

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