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We study the conductivity of two-dimensional interacting electrons on thehalf-filled $N$th Landau level with $N \gg 1$ in the presence of the quencheddisorder. The existence of the unidirectional charge-density wave state attemperature $T<T_c$, where $T_c$ is the transition temperature, leads to theanisotropic conductivity tensor. We find that the leading anisotropiccorrections are proportional to $(T_c-T)/T_c$ just below the transition inaccordance with the experimental findings. Above $T_c$ the correlationscorresponding to the unidirectional charge-density wave state below $T_c$result in the corrections to the conductivity proportional to$\sqrt{T_c/(T-T_c)}$.Comment: 6 RevTeX pages, 5 figure

The anisotropic conductivity of two-dimensional electrons on a half-filled high Landau evel