Abstract
Superconducting fluctuations induce remnants of the Josephson effect above ${\mathit{T}}_{\mathit{c}}$. To explore this, we consider a paraconducting cylinder, composed of two thin films connected by tunnel junctions, and threaded by magnetic flux. The electrical conductance includes a component that is an oscillatory function of the flux, having an amplitude proportional to the square of the Josephson coupling, and decaying exponentially with the circumference over a length scale \ensuremath{\xi}(T). We estimate the typical magnitude of this effect, and contrast it with related mesoscopic effects in normal-metal systems.
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