Nonlinear Dynamics in the Resonance Lineshape of NbN Superconducting Resonators

dc.creatorAbdo, Baleegh
dc.creatorSegev, Eran
dc.creatorShtempluck, Oleg
dc.creatorBuks, Eyal
dc.date2006-01-08
dc.date.accessioned2026-07-07T06:57:24Z
dc.date.available2026-07-07T06:57:24Z
dc.descriptionIn this work we report on unusual nonlinear dynamics measured in the resonance response of NbN superconducting microwave resonators. The nonlinear dynamics, occurring at relatively low input powers (2-4 orders of magnitude lower than Nb), and which include among others, jumps in the resonance lineshape, hysteresis loops changing direction and resonance frequency shift, are measured herein using varying input power, applied magnetic field, white noise and rapid frequency sweeps. Based on these measurement results, we consider a hypothesis according to which local heating of weak links forming at the boundaries of the NbN grains are responsible for the observed behavior, and we show that most of the experimental results are qualitatively consistent with such hypothesis.
dc.descriptionUpdated version (of cond-mat/0504582), 16 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0601146
dc.identifierhttp://arxiv.org/abs/cond-mat/0601146
dc.identifierPhys. Rev. B 73, 134513 (2006) (11 pages)
dc.identifierdoi:10.1103/PhysRevB.73.134513
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106952
dc.subjectSuperconductivity
dc.titleNonlinear Dynamics in the Resonance Lineshape of NbN Superconducting Resonators
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