Observation of quantum noise effects in a resistively shunted Josephson junction

Roger H. Koch, D. J. Van Harlingen, John Clarke

Research output: Contribution to journalArticlepeer-review

Abstract

The measured spectral density of voltage noise in current-biased resistively shunted Josephson junctions in which quantum corrections to the noise are expected to be important is found to be in excellent agreement with theoretical predictions. The contribution at the measurement frequency of zero point fluctuations mixed down from frequencies near the Josephson frequency is clearly demonstrated.

Original languageEnglish (US)
Pages (from-to)2055-2057
Number of pages3
JournalPhysica B+C
Volume109-110
Issue numberC
DOIs
StatePublished - Jul 1982
Externally publishedYes

ASJC Scopus subject areas

  • General Engineering

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