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

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

doi:10.1103/PhysRevB.33.5127

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

A. Davidson, B. Dueholm, M. R. Beasley

DOI 10.1103/PhysRevB.33.5127 · Physical Review B

T1

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Abstract

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.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Nb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown