Role of the chemical bonding for the time-dependent electron transport through an interacting quantum dot

Handle URI:
http://hdl.handle.net/10754/561789
Title:
Role of the chemical bonding for the time-dependent electron transport through an interacting quantum dot
Authors:
Goker, Ali; Zhu, Zhiyong; Manchon, Aurelien ( 0000-0002-4768-293X ) ; Schwingenschlögl, Udo ( 0000-0003-4179-7231 )
Abstract:
A combination of ab initio and many-body calculations is utilized to determine the effects of the bonding in Au electrodes on the time dependent current through a quantum dot suddenly shifted into the Kondo regime by a gate voltage. For an asymmetrically coupled system the instantaneous conductance exhibits fluctuations. The frequencies of the fluctuations turn out to be proportional to the energetic separation between the dominating peaks in the density of states and the Fermi level. The chemical bonding in the electrodes, thus, drastically alters the transient current, which can be accessed by ultrafast pump-probe techniques. © 2011 Elsevier B.V. All rights reserved.
KAUST Department:
Physical Sciences and Engineering (PSE) Division; Materials Science and Engineering Program; Core Labs; Spintronics Theory Group; Computational Physics and Materials Science (CPMS)
Publisher:
Elsevier
Journal:
Chemical Physics Letters
Issue Date:
Jun-2011
DOI:
10.1016/j.cplett.2011.04.086
Type:
Article
ISSN:
00092614
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division; Spintronics Theory Group; Materials Science and Engineering Program; Computational Physics and Materials Science (CPMS)

Full metadata record

DC FieldValue Language
dc.contributor.authorGoker, Alien
dc.contributor.authorZhu, Zhiyongen
dc.contributor.authorManchon, Aurelienen
dc.contributor.authorSchwingenschlögl, Udoen
dc.date.accessioned2015-08-03T09:04:39Zen
dc.date.available2015-08-03T09:04:39Zen
dc.date.issued2011-06en
dc.identifier.issn00092614en
dc.identifier.doi10.1016/j.cplett.2011.04.086en
dc.identifier.urihttp://hdl.handle.net/10754/561789en
dc.description.abstractA combination of ab initio and many-body calculations is utilized to determine the effects of the bonding in Au electrodes on the time dependent current through a quantum dot suddenly shifted into the Kondo regime by a gate voltage. For an asymmetrically coupled system the instantaneous conductance exhibits fluctuations. The frequencies of the fluctuations turn out to be proportional to the energetic separation between the dominating peaks in the density of states and the Fermi level. The chemical bonding in the electrodes, thus, drastically alters the transient current, which can be accessed by ultrafast pump-probe techniques. © 2011 Elsevier B.V. All rights reserved.en
dc.publisherElsevieren
dc.titleRole of the chemical bonding for the time-dependent electron transport through an interacting quantum doten
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentMaterials Science and Engineering Programen
dc.contributor.departmentCore Labsen
dc.contributor.departmentSpintronics Theory Groupen
dc.contributor.departmentComputational Physics and Materials Science (CPMS)en
dc.identifier.journalChemical Physics Lettersen
dc.contributor.institutionDepartment of Physics, Bilecik University, 11210 Gülümbe Bilecik, Turkeyen
kaust.authorZhu, Zhiyongen
kaust.authorManchon, Aurelienen
kaust.authorSchwingenschlögl, Udoen
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