TL;DR
This paper investigates a single electron transistor modeled by a dissipative tunnel junction between two SYK quantum dots, exploring how charge and energy modes influence conductance amid Coulomb blockade and Kondo effects.
Contribution
It introduces a novel model combining SYK physics with electron transport in a SET, analyzing the interplay of collective modes, Coulomb blockade, and Kondo resonances.
Findings
Charge transport exhibits non-monotonic conductance behavior.
Soft collective modes significantly affect electron tunneling.
Competition between Coulomb blockade and Kondo effects shapes conductance patterns.
Abstract
We study the behavior of a single electron transistor (SET) represented by a dissipative tunnel junction between a pair of quantum dots described by two (possibly, different) Sachdev-Ye-Kitaev (SYK) models. A combined influence of the soft collective charge and energy modes on charge transport is discussed, alongside the competing effects of the Coulomb blockade and emergent Kondo resonances which might all conspire to result in a non-monotonic behavior of the system's conductance.
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