Microwave Induced Instability Observed in BSCCO 2212 in a Static Magnetic Field
De Wilde, Y. · Enriquez, H. · Bontemps, N. · Tamegai, T.
Original · EN
We have measured the microwave dissipation at 10 GHz through the imaginary part of the susceptibility, χ", in a BSCCO 2212 single crystal in an external static magnetic field H parallel to the c-axis at various fixed temperatures. The characteristics of χ"(H) exhibit a sharp step at a field Hstep which strongly depends on the amplitude of the microwave excitation hac. The characteristics of hac vs. Hstep, qualitatively reveal the behavior expected for the magnetic field dependence of Josephson coupling.
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