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Resonance curves (scattering parameter, , vs frequency) for R1 after the application of a dc magnetic field of 13.35 Oe (a). The other frames report the response as a function of the input power of resonators R1 (b), R2 (c), and R3 (d) in zero dc field.
Maximum value of as a function of the power delivered to the resonator R3, covered by a Au layer. The inset shows the bistable signal detected for a frequency sweep in the region of the jump .
Frame (a) shows the comparison between the experimental resonance for R3 at an input power (circles) and the curve reconstructed by means of a piecewise-defined Lorentzian function (line). The experimental curve for is reported as a reference (dashed line). The corresponding dissipation term, , is shown in (c). Numbers help in the correlation between features in the two plots. The same analysis is reported in frames (b) and (d) for R1 at and , after the increase in the external dc magnetic field from 18.25 to 18.70 Oe.
Sketch of the resonator near the edge, after a VA occurrence and after switching of a WL. The graph qualitatively reports the transverse distribution of rf currents for the coplanar layout (sharp peaks at the edges corresponding to the shadowed region in the drawing).
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