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Title: Parity Effect in a Superconducting Island in a Tunable Dissipative Environment
Authors: Kuo, Watson;Wu, Cen-Shawn;Shyu, J. H.;Chen, C. D.
Contributors: 物理學系
Date: 2006
Issue Date: 2013-03-12T04:06:24Z
Publisher: The American Physical Society
Abstract: We have experimentally studied Coulomb oscillation in a superconducting single-electron transistor, where electromagnetic-environment impedance was controlled using a one-dimensional array of superconducting quantum interference devices. By decreasing environment impedance, the Coulomb oscillation exhibited a crossover from 2e to 1e periodicity. In addition, the 1e component was enhanced when additional noise was introduced by connecting a potential meter to the central island of the transistor. We propose a theoretical analysis for this parity effect that includes the effect of fluctuations arising from the finite noise temperature of the electromagnetic environment.
Relation: Phys. Rev. B, 74(18): 184522
Appears in Collections:[Department of Physics] Periodical Articles

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