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Article Dans Une Revue International Journal of Quantum Information Année : 2011

Magnetic flux sensitivity of the population and the pancharatnam phase for a single cooper-pair box

Résumé

We study the behaviour of a single Cooper-pair box with a SQUID loop interacting with a magnetic field. We demonstrate the strong dependence of the population and the Pancharatnam phase on the magnetic flux and study the modifications when a temporal drift is present on the magnetic field. Moreover, we show that the Pancharatnam phase is more sensitive to the excitation parameters than the populations, suggesting a sensitive method for controlling the system and/or detecting flux variations.
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Dates et versions

hal-00931936 , version 1 (16-01-2014)

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M. A. Bouchene, M. Abdel-Aty. Magnetic flux sensitivity of the population and the pancharatnam phase for a single cooper-pair box. International Journal of Quantum Information, 2011, 9 (3), pp.883. ⟨10.1142/S0219749911007459⟩. ⟨hal-00931936⟩
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