Josephson interference phenomena above T c

E. Shimshoni, PM Goldbart, N Goldenfeld

Research output: Contribution to journalArticlepeer-review


Superconducting fluctuations induce remnants of the Josephson effect above Tc. 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 ξ(T). We estimate the typical magnitude of this effect, and contrast it with related mesoscopic effects in normal-metal systems.
Original languageAmerican English
Pages (from-to)9865-9868
JournalPhysical Review B (Condensed Matter and Materials Physics)
Issue number13
StatePublished - 1993

Bibliographical note

Department of Physics, University of Illinois at Urbana-Champaign, 1110 West Green Street, Urbana, Illinos 61801-3080
Beckman Institute for Advanced Science and Technology, 405 North Mathews Avenue, Urbana, Illinois 61801


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