Abstract
The complex conductivity of electron crystals with surface densities of 3.2×108–12.6×108cm−2 is studied under dynamic transition conditions. Measurements at temperatures of 70–90mK, well below the thermodynamic equilibrium melting point, show that a transition is observed as the driving electric field in the plane of the electron layer is increased. This is accompanied by jumps in both components of the inverse conductivity of the layer when the critical field is reached. The dependence of the critical field on the surface density of the electron layer is determined.
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