Microwave Induced Instability Observed in BSCCO 2212 in a Static Magnetic Field

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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 $H_{step}$ which strongly depends on the amplitude of the microwave excitation $h_{ac}$. The characteristics of $h_{ac}$ vs. $H_{step}$, qualitatively reveal the behavior expected for the magnetic field dependence of Josephson coupling.
4 pages, 3 Postscript figures

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Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/16324

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0005055
 http://arxiv.org/abs/cond-mat/0005055

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arXiv