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Nonthermal broadening in the conductance of double quantum dot structures.

Oroszlany, L. and Kormanyos, Andor and Koltai, J. and Cserti, József and Lambert, Colin J. (2007) Nonthermal broadening in the conductance of double quantum dot structures. Physical Review B, 76 (4). ISSN 1550-235X

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Abstract

We study the transport properties of a double quantum dot (DQD) molecule at zero and at finite temperature. The properties of the zero-temperature conductance depend on whether the level attraction between the symmetric and antisymmetric states of the DQD, produced by the coupling to the leads, exceeds or not the interdot tunneling. For finite temperature, we find a remarkable nonthermal broadening effect of the conductance resonance when the energy levels of the individual dots are detuned.

Item Type: Article
Journal or Publication Title: Physical Review B
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 18689
Deposited By: ep_ss_importer
Deposited On: 28 Oct 2008 14:44
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 20:22
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/18689

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