Re-entrant localization of single particle transport in disordered Andreev wires
Abstract
We study effects of disorder on the low energy single particle transport in a normal wire surrounded by a superconductor. We show that the heat conductance includes the Andreev diffusion decreasing with increase in the mean free path and the diffusive drift produced by a small particle-hole asymmetry, which increases with increasing . The conductance thus has a minimum as a function of which leads to a peculiar re-entrant localization as a function of the mean free path.
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