Charge and heat current rectification by a double-dot system within the Coulomb blockade regime.

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2020
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Abstract
Nanoscale rectifiers are known to have significant nanoelectronic and nanoheatronic applications. In the present work we theoretically analyze rectifying properties of a junction including a couple of quantum dots asymmetrically coupled to the electrodes. The charge and heat current rectification in the system is controlled by the dots occupation numbers and interdot Coulomb interactions. We examine the dependencies of the rectification ratio on the electron energy levels on the dots, on the intensity of electron-electron interactions, on the gate and bias voltages and on the thermal gradients applied across the system. It is shown that the considered double-dot system possesses significant potentialities as a common as well as a heat diod.
Reference Key
zimbovskaya2020chargejournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zimbovskaya, Natalya A;
Journal journal of physics condensed matter : an institute of physics journal
Year 2020
DOI
10.1088/1361-648X/ab83e9
URL
Keywords
quantum dots electron transport coulomb interactions heat currents rectification

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