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Article Dans Une Revue Physical Review Letters Année : 2001

Observation of Persistent Currents in Mesoscopic Connected Rings

Résumé

We report measurements of the low temperature magnetic response of a line of 16 GaAs/GaAlAs \emph{connected} mesoscopic rings whose total length is much larger than $l_{\phi}$. Using an on-chip micro-\textsc{squid} technology, we have measured a periodic response, with period $h/e$, corresponding to persistent currents in the rings of typical amplitude $0.40\pm 0.08 nA$ per ring. Direct comparison with measurements on the same rings but \emph{isolated} is presented.

Dates et versions

hal-00122052 , version 1 (24-12-2006)

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W. Rabaud, Laurent Saminadayar, D. Mailly, Klaus Hasselbach, Alain Benoit, et al.. Observation of Persistent Currents in Mesoscopic Connected Rings. Physical Review Letters, 2001, 86, pp.3124-3127. ⟨hal-00122052⟩

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