Weakly localised bosons
D. Das, S. Doniach
Abstract
In this paper, we argue that, in 2-d, the weak localisation of bosons, which occurs on the insulating side of the superconductor-insulator transition, is characterised by ρ ln(1/T), as compared to σ lnT for fermions. Such an unconventional behaviour is tied to the diffusion pole of the delocalised (uncondensed) vortices.
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