Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session C16: Transport in Nanostructures -- Quantum dots, nanocrystals, and nanowires
2:30 PM–5:30 PM,
Monday, March 4, 2019
BCEC
Room: 155
Sponsoring
Unit:
DMP
Chair: Jeremy Levy, University of Pittsburgh
Abstract: C16.00008 : Measurement of the Kondo cloud length via a quantum dot coupled to a 1d interferometer: Theory (1/2)
4:18 PM–4:30 PM
Presenter:
Jeongmin Shim
(Physics, Korea Advanced Institute of Science and Technology)
Authors:
Jeongmin Shim
(Physics, Korea Advanced Institute of Science and Technology)
Ivan Borzenets
(Physics, City University of Hong Kong)
Jason Chen
(Applied Physics, The University of Tokyo)
Michihisa Yamamoto
(CEMS, RIKEN)
Seigo Tarucha
(CEMS, RIKEN)
H.-S. Sim
(Physics, Korea Advanced Institute of Science and Technology)
Collaboration:
Ivan Borzenets
Here, we demonstrate that the Kondo cloud length ξK can be measured in a system of a Kondo correlated quantum coupled to a 1D Fabry–Perot (F-P) interferometer. Using numerical renormalization group and poor man’s scaling methods in parallel we characterize the oscillations in Kondo temperature with respect to resonances of the F-P interferometer. We show that the amplitude of the temperature oscillations can be described by the interferometer length as well as the coupling strength. Thus, we demonstrate a system where an experimentally defined length can be used to infer the Kondo length.
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