Levitons in superconducting point contacts

@article{Acciai2019LevitonsIS,
  title={Levitons in superconducting point contacts},
  author={Matteo Acciai and Flavio Ronetti and Dario Ferraro and J'erome Rech and Thibaut Jonckheere and Maura Sassetti and Thierry Martin},
  journal={arXiv: Mesoscale and Nanoscale Physics},
  year={2019}
}
  • Matteo Acciai, Flavio Ronetti, +4 authors Thierry Martin
  • Published 2019
  • Physics
  • arXiv: Mesoscale and Nanoscale Physics
  • We investigate the transport properties of a superconducting quantum point contact in the presence of an arbitrary periodic drive. In particular, we calculate the dc current and noise in the tunnel limit, obtaining general expressions in terms of photoassisted probabilities. Interesting features can be observed when the frequency is comparable to the gap. Here, we show that quantized Lorentzian pulses minimize the excess noise, further strengthening the hierarchy among different periodic drives… CONTINUE READING

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