Publikation:

Conduction Channel Transmissions of Atomic-Size Aluminum Contacts

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1997

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Joyez, Philippe
Esteve, Daniel
Urbina, Cristián
Devoret, Michel H.

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Physical Review Letters. 1997, 78(18), pp. 3535-3538. Available under: doi: 10.1103/PhysRevLett.78.3535

Zusammenfassung

We have determined the individual transmission coefficients of Al quantum point contacts containing up to six conduction channels. The determination is based on a comparison of the highly nonlinear current-voltage characteristics in the superconducting state with the predictions of the theory for a single channel superconducting contact. We find that at least two channels contribute to the transport even for contacts with conductance lower than the conductance quantum.

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530 Physik

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ISO 690SCHEER, Elke, Philippe JOYEZ, Daniel ESTEVE, Cristián URBINA, Michel H. DEVORET, 1997. Conduction Channel Transmissions of Atomic-Size Aluminum Contacts. In: Physical Review Letters. 1997, 78(18), pp. 3535-3538. Available under: doi: 10.1103/PhysRevLett.78.3535
BibTex
@article{Scheer1997Condu-4807,
  year={1997},
  doi={10.1103/PhysRevLett.78.3535},
  title={Conduction Channel Transmissions of Atomic-Size Aluminum Contacts},
  number={18},
  volume={78},
  journal={Physical Review Letters},
  pages={3535--3538},
  author={Scheer, Elke and Joyez, Philippe and Esteve, Daniel and Urbina, Cristián and Devoret, Michel H.}
}
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