Kondo physics in tunable semiconductor nanowire quantum dots

Abstract

We have observed the Kondo effect in strongly coupled semiconducting nanowire quantum dots. The devices are made from indium arsenide nanowires, grown by molecular beam epitaxy, and contacted by titanium leads. The device transparency can be tuned by changing the potential on a gate electrode, and for increasing transparencies the effects dominating the transport changes from Coulomb Blockade to Universal Conductance Fluctuations with Kondo physics appearing in the intermediate region.

4 pages, 4 figures

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• Kondo-Enhanced Andreev Tunneling in InAs Nanowire Quantum Dots
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• Multi-mode Fabry-Pérot conductance oscillations in suspended stacking-faults-free InAs nanowires
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• Magnetotransport properties of individual InAs nanowires
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• Josephson effect in a few-hole quantum dot
• Mesoscopic conductance fluctuations in InAs nanowire-based SNS junctions
• Nonequilibrium Zeeman-splitting in quantum transport through nanoscale junctions
• Transport through a Kondo quantum dot: Functional RG approach
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• Magnetic-Field-Induced Crossover to a Nonuniversal Regime in a Kondo Dot
• Coulomb Blockade Spectroscopy of a ${\mathrm{MoS}}_2$ Nanotube
• Wet etch methods for InAs nanowire patterning and self-aligned electrical contacts
• Nonequilibrium Cotunneling through a Three-Level Quantum Dot
• Kondo effect and spin-active scattering in ferromagnet-superconductor junctions
• InAs/MoRe hybrid semiconductor/superconductor nanowire devices
• Simulations of the dynamics of quantum impurity problems with matrix product states
• Kondo Effect in Defect-bound Quantum Dots Coupled to NbSe${}_2$
• Spin and orbital fluctuations in non-equilibrium transport through quantum dots: A renormalisation-group analysis
• Collapse of the Josephson emission in a carbon nanotube junction in the Kondo regime
• Entanglement and transport anomalies in nanowires
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• Kondo effect in a Aharonov-Casher interferometer
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