Characteristic molecular properties of one-electron double quantum rings under magnetic fields
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comunitat-uji-handle2:10234/7013
comunitat-uji-handle3:10234/8638
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Title
Characteristic molecular properties of one-electron double quantum rings under magnetic fieldsDate
2008Publisher
Institute of PhysicsISSN
09538984Type
FotografíaVersion
info:eu-repo/semantics/acceptedVersionSubject
Abstract
The molecular states of conduction electrons in laterally coupled quantum rings
are investigated theoretically. The states are shown to have a distinct magnetic field
dependence, which gives rise to periodic fluct ... [+]
The molecular states of conduction electrons in laterally coupled quantum rings
are investigated theoretically. The states are shown to have a distinct magnetic field
dependence, which gives rise to periodic fluctuations of the tunnel splitting and ring
angular momentum in the vicinity of the ground state crossings. The origin of these
effects can be traced back to the Aharonov-Bohm oscillations of the energy levels, along
with the quantum mechanical tunneling between the rings. We propose a setup using
double quantum rings which shows that Aharonov-Bohm effects can be observed even
if the net magnetic flux trapped by the carriers is zero. [-]
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This is an author-created, un-copyedited version of an article accepted for publication in Journal of physics. Condensed matter. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it.
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- QFA_Articles [825]