Resonant Tunneling through a Macroscopic Charge State in a Superconducting Single Electron Transistor
D. V. Averin, A. N. Korotkov, A. J. Manninen, J. P. Pekola
DOI 10.1103/PhysRevLett.78.4821 · Physical Review Letters
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Abstract
We predict theoretically and observe in experiment that the differential conductance of a superconducting single electron transistor exhibits a peak which is a complete analog, in a macroscopic system, of a standard resonant tunneling peak associated with tunneling through a single quantum state. In particular, in a symmetric transistor, the peak height is universal and equal to e2/2πħ. Away from the resonance we clearly observe the cotunneling current which, in contrast to the normal-metal transistor, varies linearly with the bias voltage.
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| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Al 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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