Coherent Voltage Oscillations Induced by Sliding Charge-Density Waves: Interface or Bulk Phenomenon?
- 12 August 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 55 (7) , 742-745
- https://doi.org/10.1103/physrevlett.55.742
Abstract
The coherent voltage oscillations (narrow-band noise), induced by sliding charge-density waves, were investigated in Nb at K. By applying nonperturbing potential sensors on the surface of the sample we show that a significant portion of the narrow-band noise is generated in the bulk. We found evidences for domain structure in the velocity-velocity correlation function of the sliding charge-density waves. We attempt to resolve the contradiction with previous experimental studies.
Keywords
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