Transformer Configuration in Three Dimensional Josephson Lattices at Zero Magnetic Field
Daniel Domínguez, Niels Grønbech-Jensen, A. R. Bishop, Subodh R. Shenoy
DOI 10.1103/PhysRevLett.75.717 · Physical Review Letters
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Abstract
Recent experiments on Bi2Sr2CaCu2O8−y superconductors at zero magnetic field have been performed with a transformer configuration of contacts. We interpret the experimental data on the basis of large-scale Langevin dynamical simulations of a three dimensional (3D) Josephson lattice with a current bias through a single plane. We show that the experimentally observed effects can be attributed to linking thermal vortex loop excitations that cause voltages in neighboring superconducting planes to lock in a narrow temperature range near the 3D phase transition.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8-y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 86.4 | Pressure not reported | unknown |
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