Probing single electron scattering through a non-Fermi-liquid charge-Kondo device

Sela, Eran; Goldhaber-Gordon, David; Anthore, A.; Pierre, F.; Oreg, Yuval

doi:10.1103/physrevb.107.l161108

Title: Probing single electron scattering through a non-Fermi-liquid charge-Kondo device

Journal Article · 20 April 2023 · Physical Review. B

DOI: https://doi.org/10.1103/physrevb.107.l161108 · OSTI ID:2002013

^[1];

^[2];

^[3]; Pierre, F. ^[4]; Oreg, Yuval ^[5]

Tel Aviv Univ., Tel Aviv (Israel)
Stanford Univ., CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES)
Univ. Paris-Saclay, Palaiseau (France); Centre National de la Recherche Scientifique (CNRS) (France). Centre de Nanosciences et de Nanotechnologies (C2N); Univ. of Paris (France)
Univ. Paris-Saclay, Palaiseau (France); Centre National de la Recherche Scientifique (CNRS) (France). Centre de Nanosciences et de Nanotechnologies (C2N)
Weizmann Institute of Science, Rehovot (Israel)

Among the exotic and yet unobserved features of multichannel Kondo impurity models is their subunitary single electron scattering. In the two-channel Kondo model, for example, an incoming electron is fully scattered into a many-body excitation such that the single particle Green's function vanishes. Here, we propose to directly observe these features in a charge-Kondo device encapsulated in a Mach-Zehnder interferometer, within a device already studied by Duprez et al. [Science 366, 1243 (2019)]. Finally, we provide detailed predictions for the visibility and phase of the Aharonov-Bohm oscillations depending on the number of coupled channels and the asymmetry of their couplings.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); European Research Council (ERC); US Army Research Office (ARO); Israel Science Foundation; Gordon and Betty Moore Foundation

Grant/Contract Number:: AC02-76SF00515; 951541; W911NF-20-1-0013; 154/19; GBMF9460

OSTI ID:: 2002013

Journal Information:: Physical Review. B, Vol. 107, Issue 16; ISSN 2469-9950

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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