Inertial Dynamics of Charge-Density Waves in Taand Nb
- 9 September 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 55 (11) , 1196-1199
- https://doi.org/10.1103/physrevlett.55.1196
Abstract
Frequency-dependent complex-conductivity measurements are reported in the charge-density-wave states of Ta and Nb, in the 10—100-GHz spectral region. A Drude-type behavior associated with damped inertial response of the condensate is observed for the first time. The fundamental parameters that characterize the dynamics of the collective mode (damping constant, pinning energy, and effective mass) are obtained. The results for the effective mass and damping are compared with microscopic theories.
Keywords
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