Experiments on intrinsic and thermally induced chaos in an rf-driven Josephson junction | Zendy

A. Davidson | Zendy; B. Dueholm | Zendy; M. R. Beasley | Zendy

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Experiments on intrinsic and thermally induced chaos in an rf-driven Josephson junction

Author(s) -

A. Davidson,

B. Dueholm,

M. R. Beasley

Publication year - 1986

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.33.5127

Subject(s) - josephson effect , noise (video) , physics , chaotic , microwave , chaos (operating system) , condensed matter physics , thermal , thermal fluctuations , statistical physics , superconductivity , quantum mechanics , computer science , thermodynamics , computer security , artificial intelligence , image (mathematics)

We report detailed measurements of low-frequency noise due to microwaves applied to a real Josephson tunnel junction. An intrinsically chaotic region is apparently identified, but the effects of thermal noise are shown to be significant. In particular we show experimental data that we interpret as evidence for thermally activated hopping and thermally affected chaos. The data are only in qualitative accord with recent ideas regarding the effect of thermal noise on intermittent chaos.

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