Logo del repository
  1. Home
 
Opzioni

Levitons in superconducting point contacts

Acciai, M.
•
Ronetti, F.
•
Ferraro, D.
altro
Martin, T.
2019
  • journal article

Periodico
PHYSICAL REVIEW. B
Abstract
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 observed in the electron quantum optics domain. In this regime, the excess noise is directly connected to the overlap between electron and hole energy distributions driven out of equilibrium by the applied voltage. In the adiabatic limit, where the frequency of the drive is very small compared to the superconducting gap, we recover the conventional Shapiro-spikes physics in the supercurrent.
DOI
10.1103/PhysRevB.100.085418
WOS
WOS:000480389100010
Archivio
https://hdl.handle.net/20.500.11767/137871
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85070715563
https://arxiv.org/abs/1906.03004
https://ricerca.unityfvg.it/handle/20.500.11767/137871
Diritti
metadata only access
Soggetti
  • Settore FIS/03 - Fisi...

google-scholar
Get Involved!
  • Source Code
  • Documentation
  • Slack Channel
Make it your own

DSpace-CRIS can be extensively configured to meet your needs. Decide which information need to be collected and available with fine-grained security. Start updating the theme to match your nstitution's web identity.

Need professional help?

The original creators of DSpace-CRIS at 4Science can take your project to the next level, get in touch!

Realizzato con Software DSpace-CRIS - Estensione mantenuta e ottimizzata da 4Science

  • Impostazioni dei cookie
  • Informativa sulla privacy
  • Accordo con l'utente finale
  • Invia il tuo Feedback