Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session Q30: Strongly Correlated Systems, Including Quantum Fluids and Solids XIV
3:00 PM–6:00 PM,
Wednesday, March 8, 2023
Room: Room 222/223
Sponsoring
Unit:
DCMP
Chair: Shuang Tang, SUNY Polytechnic Institute
Abstract: Q30.00015 : Occupation-resolved conductance as a test for Kondo correlations in the mixed valence regime of few-electron quantum dots*
5:48 PM–6:00 PM
Presenter:
Johann Drayne
(Physics and Astronomy, University of British Columbia)
Authors:
Johann Drayne
(Physics and Astronomy, University of British Columbia)
Tim J Child
(Physics and Astronomy, University of British Columbia)
Silvia Lüscher
(Physics and Astronomy, University of British Columbia)
Saeed Fallahi
(Physics and Astronomy, Purdue University)
Geoffrey C Gardner
(Materials Engineering, Purdue University)
Michael J Manfra
(Physics and Astronomy, Purdue University)
Yaakov Kleeorin
(Center for the Physics of Evolving Systems, University of Chicago)
Yigal Meir
(Department of Physics, Ben-Gurion University of the Negev)
Joshua Folk
(Physics and Astronomy, University of British Columbia)
The measurements were carried out for QD parameters where NRG predicts Kondo correlations in the mixed-valence regime to modify both the conductance through the QD, and the entropy of the QD states. This work thereby enables a direct comparison between previous probes of the Kondo effect in QDs, dominated by conductance measurements, and a recent investigation of QD entropy in the mixed-valence Kondo regime [1].
[1] Child, Tim & Sheekey, Owen & Lüscher, Silvia & Fallahi, Saeed & Gardner, Geoffrey & Manfra, M.J. & Kleeorin, Yaakov & Meir, Yigal & Folk, Joshua. (2021). Entropy measurement of a strongly correlated quantum dot.
*Thanks to:European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme under grant agreement No 951541;Stewart Blusson Quantum Matter Institute;Natural Sciences and Engineering Research Council of Canada;Canada Foundation for Innovation;Canadian Institute for Advanced Research;
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