Title
Control of the persistent currents in two interacting quantum rings through the Coulomb interaction and interring tunneling Control of the persistent currents in two interacting quantum rings through the Coulomb interaction and interring tunneling
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : B : solid state. - Lancaster, Pa, 1970 - 1978
Volume/pages
78(2008) :19 , p. 195315,1-195315,4
ISSN
0556-2805
ISI
000262607800074
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The persistent current in two vertically coupled quantum rings containing few electrons is studied. We find that the Coulomb interaction between the rings in the absence of tunneling affects the persistent current in each ring and the ground-state configurations. Quantum tunneling between the rings alters significantly the ground state and the persistent current in the system.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/f55243/c0bcf1f0.pdf
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