Abstract
Low-frequency ac currents have been observed to induce a dc voltage Vdc across macroscopic percolating films of lead and aluminum in the vicinity of their superconducting transition. This conversion is observed down to a frequency of 10 Hz, which rules out an inverse-Josephson-effect interpretation. Vdc shows sharp oscillations as a function of a magnetic field. This pattern dependence on the angle between the sample and the applied field identifies these oscillations as an Aharonov-Bohm effect.
| Original language | English |
|---|---|
| Pages (from-to) | 1585-1588 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 64 |
| Issue number | 13 |
| DOIs | |
| State | Published - 1990 |