Journal Article

FZJ-2015-03038

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Validity of the single-particle description and charge noise resilience for multielectron quantum dots

Bakker, M. A. ; Mehl, S. (Corresponding Author)FZJ* ; Hiltunen, T. ; Harju, A. ; DiVincenzo, D.FZJ*

2015
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/8564  doi:10.1103/PhysRevB.91.155425

Abstract: We construct an optimal set of single-particle states for few-electron quantum dots (QDs) using the method of natural orbitals (NOs). The NOs include also the effects of the Coulomb repulsion between electrons. We find that they agree well with the noniteracting orbitals for GaAs QDs of realistic parameters, while the Coulomb interactions only rescale the radius of the NOs compared to the noninteracting case. We use NOs to show that four-electron QDs are less susceptible to charge noise than their two-electron counterparts.

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Contributing Institute(s):

1. Theoretische Nanoelektronik (PGI-2)
2. JARA-FIT (JARA-FIT)

Research Program(s):

1. 144 - Controlling Collective States (POF3-144) (POF3-144)

Appears in the scientific report 2015

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Database coverage:
; ; ; Current Contents - Physical, Chemical and Earth Sciences ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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