{ "id": "2401.08050", "version": "v1", "published": "2024-01-16T02:03:14.000Z", "updated": "2024-01-16T02:03:14.000Z", "title": "Magneto-Thermoelectric Transport in Graphene Quantum Dot with Strong Correlations", "authors": [ "Laurel E. Anderson", "Antti Laitinen", "Andrew Zimmerman", "Thomas Werkmeister", "Henry Shackleton", "Alexander Kruchkov", "Takashi Taniguchi", "Kenji Watanabe", "Subir Sachdev", "Philip Kim" ], "comment": "6 pages, 4 main figures; supplement has 24 pages, 10 figures", "categories": [ "cond-mat.mes-hall", "cond-mat.str-el" ], "abstract": "Disorder at the etched edges of graphene quantum dots (GQD) enables random all-to-all interactions between localized charges in partially-filled Landau levels, providing a potential platform to realize the Sachdev-Ye-Kitaev (SYK) model. We use quantum Hall edge states in the graphene electrodes to measure electrical conductance and thermoelectric power across the GQD. We observe a rapid diminishing of electric conductance fluctuations and slowly decreasing thermoelectric power across the GQD with increasing temperature, consistent with recent theoretical predictions for the SYK regime.", "revisions": [ { "version": "v1", "updated": "2024-01-16T02:03:14.000Z" } ], "analyses": { "keywords": [ "graphene quantum dot", "strong correlations", "magneto-thermoelectric transport", "enables random all-to-all interactions", "quantum hall edge states" ], "note": { "typesetting": "TeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable" } } }