Two-channel Kondo effect and renormalization flow with macroscopic quantum charge states

Z. Iftikhar, S. Jezouin, A. Anthore, U. Gennser, F. D. Parmentier, A. Cavanna and F. Pierre ()
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Z. Iftikhar: CNRS, Laboratoire de Photonique et de Nanostructures (LPN)
S. Jezouin: CNRS, Laboratoire de Photonique et de Nanostructures (LPN)
A. Anthore: CNRS, Laboratoire de Photonique et de Nanostructures (LPN)
U. Gennser: CNRS, Laboratoire de Photonique et de Nanostructures (LPN)
F. D. Parmentier: CNRS, Laboratoire de Photonique et de Nanostructures (LPN)
A. Cavanna: CNRS, Laboratoire de Photonique et de Nanostructures (LPN)
F. Pierre: CNRS, Laboratoire de Photonique et de Nanostructures (LPN)

Nature, 2015, vol. 526, issue 7572, 233-236

Abstract: Zero-temperature quantum phase transitions and their associated quantum critical points are believed to underpin the exotic finite-temperature behaviours of many strongly correlated electronic systems, but identifying the microscopic origins of these transitions can be challenging and controversial; Iftikhar et al. (see also the related paper by Keller et al.) show how such behaviours can be engineered into nanoelectronic quantum dots, which permit both precise experimental control of the quantum critical behaviour and its exact theoretical characterization.

Date: 2015
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DOI: 10.1038/nature15384

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