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On-demand population of Andreev levels by their ionization in the presence of Coulomb blockade

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2024

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Kurilovich, Pavel D.
Kurilovich, Vladislav D.
Devoret, Michel H.

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https://doi.org/10.1103/physrevb.110.184508
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U.S. National Science Foundation (NSF): DMR-2002275
Deutsche Forschungsgemeinschaft (DFG): 465140728
Deutsche Forschungsgemeinschaft (DFG): 467596333
Deutsche Forschungsgemeinschaft (DFG): 425217212

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Physical Review B. American Physical Society (APS). 2024, 110(18), 184508. ISSN 2469-9950. eISSN 2469-9969. Verfügbar unter: doi: 10.1103/physrevb.110.184508

Zusammenfassung

A mechanism to deterministically prepare a nanowire Josephson junction in an odd parity state is proposed. The mechanism involves population of two Andreev levels by a resonant microwave drive breaking a Cooper pair, and a subsequent ionization of one of the levels by the same drive. Robust preparation of the odd state is allowed by a residual Coulomb repulsion in the junction. A similar resonant process can also be used to prepare the junction in the even state. Our theory explains a recent experiment [J. J. Wesdorp et al., Phys. Rev. Lett. 131, 117001 (2023)].

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ISO 690KURILOVICH, Pavel D., Vladislav D. KURILOVICH, Aleksandr SVETOGOROV, Wolfgang BELZIG, Michel H. DEVORET, Leonid I. GLAZMAN, 2024. On-demand population of Andreev levels by their ionization in the presence of Coulomb blockade. In: Physical Review B. American Physical Society (APS). 2024, 110(18), 184508. ISSN 2469-9950. eISSN 2469-9969. Verfügbar unter: doi: 10.1103/physrevb.110.184508
BibTex
@article{Kurilovich2024-11-08Ondem-71487,
  year={2024},
  doi={10.1103/physrevb.110.184508},
  title={On-demand population of Andreev levels by their ionization in the presence of Coulomb blockade},
  number={18},
  volume={110},
  issn={2469-9950},
  journal={Physical Review B},
  author={Kurilovich, Pavel D. and Kurilovich, Vladislav D. and Svetogorov, Aleksandr and Belzig, Wolfgang and Devoret, Michel H. and Glazman, Leonid I.},
  note={Article Number: 184508}
}
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