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Journal article

Thermal fluctuations in resonant motion of fluxons on a Josephson transmission line: Theory and experiment

From

Technical University of Denmark1

Department of Physics, Technical University of Denmark2

Biophysics and Fluids, Department of Physics, Technical University of Denmark3

The radiation emission from long and narrow Josephson tunnel junctions dc-current biased on zero-field steps has been ascribed to resonant motion of fluxons on the transmission line. Within this dynamic model a theoretical expression for the radiation linewidth is derived from a full statistical treatment of thermal fluctuations in the fluxon velocity.

The result appears to be very general and is corroborated by experimental determination of linewidth and frequency of radiation emitted from overlap Nb-I-Pb junctions.

Language: English
Year: 1982
Pages: 1093-1096
ISSN: 10797114 and 00319007
Types: Journal article
DOI: 10.1103/PhysRevLett.49.1093
ORCIDs: Monaco, Roberto and Mygind, Jesper

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