Current Oscillations and Stability of Charge-Density-Wave Motion in
- 16 August 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 49 (7), 493-496
- https://doi.org/10.1103/physrevlett.49.493
Abstract
Observations are reported of current oscillations with frequency proportional to current in the nonlinear conduction region in . At high electric field strengths the amplitude of the oscillations decreases with increasing charge-density-wave current. It is suggested that this behavior is due to the periodic motion of the charge-density wave as it slides through pinning potential, and good agreement is found when the potential is evaluated from the frequency-dependent conductivity. The same theory is used to estimate the stability of the pinned charge-density wave.
Keywords
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