Abstract
We report an experimental study of the nonlinear response of single-crystal Nb. In the stationary regime the non-linearity exists only in a surface superconducting state of Nb and it was found that the non-linear response is non-monotonic function of the amplitude of excitation. The theoretical analysis based on the two level model of a stochastic resonance (SR) phenomenon provides a qualitative explanation of the experimental results.
| Original language | English |
|---|---|
| Pages (from-to) | 1191-1192 |
| Number of pages | 2 |
| Journal | Physica C: Superconductivity and its Applications |
| Volume | 341-348 |
| Issue number | PART 3 |
| DOIs | |
| State | Published - 2000 |
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