Electronic Shells of Dirac Fermions in Graphene Quantum Rings in a Magnetic Field

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TypeArticle
Journal titleActa Physica Polonica - Series A General Physics
Volume116
Issue5
Pages832834; # of pages: 3
AbstractWe present results of tight binding calculations demonstrating existence of degenerate electronic shells of Dirac fermions in narrow, charge neutral graphene quantum rings. We predict removal of degeneracy with finite magnetic field. We show, using a combination of tight binding and configuration interaction methods, that by filling a graphene ring with additional electrons this carbon based structure with half-filled shell acquires a finite magnetic moment.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedYes
NPARC number17400967
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Record identifier721c89e8-45b8-47ce-8041-44dcb6258f6d
Record created2011-03-26
Record modified2016-05-09
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