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Landau LA, Cornfeld E, Sela E. Charge Fractionalization in the Two-Channel Kondo Effect. Phys Rev Lett. 2018;120(18):186801doi: 10.1103/PhysRevLett.120.186801.
Landau, L. A., Cornfeld, E., & Sela, E. (2018). Charge Fractionalization in the Two-Channel Kondo Effect. Physical review letters, 120(18), 186801. https://doi.org/10.1103/PhysRevLett.120.186801
Landau, L Aviad, et al. "Charge Fractionalization in the Two-Channel Kondo Effect." Physical review letters vol. 120,18 (2018): 186801. doi: https://doi.org/10.1103/PhysRevLett.120.186801
Landau LA, Cornfeld E, Sela E. Charge Fractionalization in the Two-Channel Kondo Effect. Phys Rev Lett. 2018 May 04;120(18):186801. doi: 10.1103/PhysRevLett.120.186801. PMID: 29775350.
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Phys Rev Lett. 2018 May 04;120(18):186801. doi: 10.1103/PhysRevLett.120.186801.

Charge Fractionalization in the Two-Channel Kondo Effect.

Physical review letters

L Aviad Landau, Eyal Cornfeld, Eran Sela

Affiliations

  1. Raymond and Beverly Sackler School of Physics and Astronomy, Tel-Aviv University, IL-69978 Tel Aviv, Israel.

PMID: 29775350 DOI: 10.1103/PhysRevLett.120.186801

Abstract

The phenomenon of charge fractionalization describes the emergence of novel excitations with fractional quantum numbers, as predicted in strongly correlated systems such as spin liquids. We elucidate that precisely such an unusual effect may occur in the simplest possible non-Fermi liquid, the two-channel Kondo effect. To bring this concept down to experimental test, we study nonequilibrium transport through a device realizing the charge two-channel Kondo critical point in a recent experiment by Iftikhar et al. [Nature (London) 526, 233 (2015)NATUAS0028-083610.1038/nature15384]. The shot noise at low voltages is predicted to result in a universal Fano factor e^{*}/e=1/2. This allows us to experimentally identify elementary transport processes of emergent fermions carrying half-integer charge.

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