Effect of the electromagnetic environment on the Coulomb blockade in ultrasmall tunnel junctions

  • The current-voltage characteristic of an ultrasmall tunnel junction is calculated for arbitrary frequency dependence of the impedance presented to the junction by its electromagnetic environment. It is shown that the Coulomb blockade of tunneling is washed out by quantum fluctuations of the charge on the junction capacitor except for ultrahigh impedance environments. Two simple cases where the environment can be treated as an inductor or resistor are examined in detail. Effects of finite temperatures are discussed.

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Metadaten
Author:Michel H. Devoret, Daniel Estève, Hermann Grabert, Gert-Ludwig IngoldORCiDGND, Hugues Pothier, Cristian Urbina
URN:urn:nbn:de:bvb:384-opus4-406425
Frontdoor URLhttps://opus.bibliothek.uni-augsburg.de/opus4/40642
ISSN:0031-9007OPAC
Parent Title (English):Physical Review Letters
Publisher:American Physical Society (APS)
Type:Article
Language:English
Year of first Publication:1990
Publishing Institution:Universität Augsburg
Release Date:2018/09/11
Volume:64
Issue:15
First Page:1824
Last Page:1827
DOI:https://doi.org/10.1103/physrevlett.64.1824
Institutes:Mathematisch-Naturwissenschaftlich-Technische Fakultät
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik / Lehrstuhl für Theoretische Physik I
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):Deutsches Urheberrecht