2014/08/31 by Géraldine Haack, Mathias Albert, Christian Flindt · 4 citations
Engineering · Mathematics · Physics and Astronomy · #Advancements in Semiconductor Devices and Circuit Design #Astronomical interferometer #Condensed matter physics #Conductor #Degenerate energy levels #Electrical conductor #Electron #Interferometry #Laser #Mach–Zehnder interferometer #Mathematics #Mesoscopic physics #Molecular Junctions and Nanostructures #Physics #Quantum #Quantum and electron transport phenomena #Quantum mechanics #Quantum point contact #Quantum well #cond-mat.mes-hall #quant-ph
paper · pdf · doi:10.1103/physrevb.90.205429
published as Phys. Rev. B 90, 205429 (2014) · 13 pages, 11 figures
openalex publication_date 2014/11/21 · arxiv created 2014/12/03 · arxiv updated 2014/12/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The distribution of electron waiting times is useful to characterize quantum transport in mesoscopic structures. Here we consider a generic quantum-coherent conductor consisting of a mesoscopic scatterer in a two-terminal setup. We extend earlier results for single-channel conductors to setups with several (possibly spin degenerate) conduction channels and we discuss the effect of a finite electronic temperature. We present detailed investigations of the electron waiting times in a quantum point contact as well as in two mesoscopic interferometers with energy-dependent transmissions: a Fabry--P'erot interferometer and a Mach--Zehnder interferometer. We show that the waiting time distributions allow us to determine characteristic features of the scatterers, for instance, the number of resonant levels in the Fabry--P'erot interferometer that contribute to the electronic transport.