Publikation:

Elementary Andreev Processes in a Driven Superconductor-Normal Metal Contact

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Belzig_0-306491.pdf
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2016

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Physica E : Low-dimensional Systems and Nanostructures. 2016, 75, pp. 22-27. ISSN 1386-9477. eISSN 1873-1759. Available under: doi: 10.1016/j.physe.2015.08.036

Zusammenfassung

We investigate the full counting statistics of a voltage-driven normal metal(N)-superconductor(S) contact. In the low-bias regime below the superconducting gap, the NS contact can be mapped onto a purely normal contact, albeit with doubled voltage and counting fields. Hence in this regime the transport characteristics can be obtained by the corresponding substitution of the normal metal results. The elementary processes are single Andreev transfers and electron- and hole-like Andreev transfers. Considering Lorentzian voltage pulses we find an optimal quantization for half-integer Levitons.

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Fachgebiet (DDC)
530 Physik

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Quantum transport, Andreev reflection, Time-dependent drive, Full counting statistics

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ISO 690BELZIG, Wolfgang, Mihajlo VANEVIC, 2016. Elementary Andreev Processes in a Driven Superconductor-Normal Metal Contact. In: Physica E : Low-dimensional Systems and Nanostructures. 2016, 75, pp. 22-27. ISSN 1386-9477. eISSN 1873-1759. Available under: doi: 10.1016/j.physe.2015.08.036
BibTex
@article{Belzig2016Eleme-32225,
  year={2016},
  doi={10.1016/j.physe.2015.08.036},
  title={Elementary Andreev Processes in a Driven Superconductor-Normal Metal Contact},
  volume={75},
  issn={1386-9477},
  journal={Physica E : Low-dimensional Systems and Nanostructures},
  pages={22--27},
  author={Belzig, Wolfgang and Vanevic, Mihajlo},
  note={Contribution to the special issue in memory of Markus Buttiker}
}
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Contribution to the special issue in memory of Markus Buttiker
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