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Journal Article

Experimental evidence for spinless Kondo effect in two electrostatically coupled quantum dot systems

MPS-Authors
/persons/resource/persons280664

Wilhelm,  U.
Scientific Facility Nanostructuring Lab (Jürgen Weis), Max Planck Institute for Solid State Research, Max Planck Society;
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

/persons/resource/persons280481

Schmid,  J.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;
Scientific Facility Nanostructuring Lab (Jürgen Weis), Max Planck Institute for Solid State Research, Max Planck Society;

/persons/resource/persons280650

Weis,  J.
Scientific Facility Nanostructuring Lab (Jürgen Weis), Max Planck Institute for Solid State Research, Max Planck Society;
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

/persons/resource/persons280605

von Klitzing,  K.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Wilhelm, U., Schmid, J., Weis, J., & von Klitzing, K. (2002). Experimental evidence for spinless Kondo effect in two electrostatically coupled quantum dot systems. Physica E, 14(4), 385-390.


Cite as: https://hdl.handle.net/21.11116/0000-000E-EE25-D
Abstract
The Kondo effect was originally observed in metals doped with
magnetic impurities. Recent experiments demonstrated Kondo
resonances in the electrical transport through quantum dot
systems. They were predicted from the Anderson impurity model
by replacing the magnetic impurity by a spin-degenerate state
in the quantum dot. Studies of the Kondo effect in such quantum
dot systems benefit from enhanced tunability of the relevant
parameters present in the Anderson impurity model. Here we
demonstrate an experimental realization of the Anderson model
showing a spinless Kondo resonance due to an electrostatic
degeneracy: two electrostatically coupled quantum dots with
separate leads. (C) 2002 Elsevier Science B.V. All rights
reserved.