Detecting the Kondo screening cloud in conductance measurements on quantum dots
Pascal Simon, Ian Affleck
TL;DR
This paper investigates how the Kondo screening cloud influences conductance measurements in quantum wires with quantum dots, especially when the wire length is comparable to the cloud size, aiming to observe this elusive quantum phenomenon.
Contribution
It proposes a method to detect the Kondo screening cloud through conductance measurements in quantum wires with quantum dots.
Findings
Screening cloud effects modify conductance when wire length matches cloud size
Conductance signatures of the Kondo cloud are theoretically characterized
Potential experimental setups for observing the cloud are discussed
Abstract
The observation of the Kondo effect in quantum dots has provided new opportunities to finally observe the controversial Kondo screening cloud. We study how screening cloud effects appear in the conductance through a quantum wire containing a quantum dot when the length of the wire is comparable to the size of the screening cloud.
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