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Dirac fermions in armchair graphene nanoribbons trapped by electric quantum dots
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SYSNO ASEP 0559787 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Dirac fermions in armchair graphene nanoribbons trapped by electric quantum dots Author(s) Jakubský, Vít (UJF-V) RID, ORCID, SAI
Kuru, S. (TR)
Negro, J. (ES)Number of authors 3 Article number 165404 Source Title Physical Review B. - : American Physical Society - ISSN 2469-9950
Roč. 105, č. 16 (2022)Number of pages 8 s. Publication form Print - P Language eng - English Country US - United States Keywords Dirac fermions ; armchair graphene nanoribbons OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GA19-07117S GA ČR - Czech Science Foundation (CSF) Method of publishing Limited access Institutional support UJF-V - RVO:61389005 UT WOS 000822927800005 EID SCOPUS 85128365687 DOI 10.1103/PhysRevB.105.165404 Annotation We study the confinement of Dirac fermions in armchair graphene nanoribbons by means of electrostatic quantum dots. We provide an analytically feasible model where some bound states can be found explicitly. We show that the energies of these bound states belong either to the gap of valence and conducting bands or they represent bound states in the continuum whose energies are embedded in the continuous spectrum. The solutions satisfying armchair boundary conditions are found in an elegant manner with the use of specific projection operators. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2023 Electronic address https://doi.org/10.1103/PhysRevB.105.165404
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