Compton limit of the Josephson supercurrent
K. Gloos, J. Sjölund, G. Pristáš
DOI 10.1103/PhysRevB.78.092501 · Physical Review B
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Abstract
Coulomb-blockade suppressed electron transport through tunnel junctions is a well-understood phenomenon. The complementary effect appears in Josephson point contacts due to the restricted horizon which equals the Compton wavelength of the Josephson junction. This leads to a strongly reduced critical current as well as a residual contact resistance due to quantum tunneling of the phase. When the lead capacitance becomes smaller than its natural unit e2/ℏc≈0.81 pF/m, the Josephson phase transforms into the Bloch lattice.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| In 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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