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Phys. Rev. Lett. 66, 80–83 (1991)

Persistent currents in mesoscopic rings by suppression of charge fluctuations

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Albert Schmid
Institut für Theorie der Kondensierten Materie, Universität Karlsruhe, Postfach 6980, D-75 Karlsruhe, Germany

See Also: Erratum

Received 9 August 1990; published in the issue dated 7 January 1991

It will be shown that the magnitude of persistent currents increases the more that fluctuations in the charge, i.e., in the electron density, are suppressed. This explains the peculiar role of the Coulomb interactions between electrons and ions which enforces local charge neutrality.

© 1991 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.66.80
DOI:
10.1103/PhysRevLett.66.80
PACS:
72.10.Bg, 05.30.Fk, 71.25.Mg, 75.20.En

See Also

Comment: Vinay Ambegaokar and Ulrich Eckern, Comment on ‘‘Persistent currents in mesoscopic rings by suppression of charge fluctuations’’, Phys. Rev. Lett. 67, 3192 (1991).

Erratum: Albert Schmid, Persistent Currents in Mesoscopic Rings by Suppression of Charge Fluctuations, Phys. Rev. Lett. 66, 1379 (1991).