Abstract
The additional conductivity due to the fluctuation of the order parameter in dirty type-II superconductors is reconsidered. It is shown that in a magnetic fieldH slightly above the upper critical field the electric conductivity is strongly anisotropic depending on the relative direction of the magnetic field and the electric current. In the parallel case (i.e.,H ∥J) the conductivity diverges like(H−H c2)−3/2, while in the perpendicular case (H ⊥J) it diverges like(H−H c2)−1/2.
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