Two-dimensional resonant modes in stacked Josephson junctions
R. Kleiner
DOI 10.1103/PhysRevB.50.6919 · Physical Review B
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Abstract
In a vertical stack of Josephson junctions, vortices in adjacent junctions are coupled by screening currents if the electrodes are thinner than the London penetration depth. We investigate typical junction parameters of both niobium multilayers and intrinsic Josephson junctions in high-Tc single crystals. Using coupled one-dimensional sine-Gordon equations, stable coherent motion of Josephson vortices in an external magnetic field is predicted. This motion is triggered by two-dimensional resonances of the stack. For the resonance frequencies and amplitudes analytical expressions are derived.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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