Electronic structure of a magnetic quantum ring

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dc.contributor.authorKim, Nko
dc.contributor.authorIhm, Gko
dc.contributor.authorSim, Heung-Sunko
dc.contributor.authorChang, Kee-Jooko
dc.date.accessioned2011-02-08T09:01:30Z-
dc.date.available2011-02-08T09:01:30Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1999-09-
dc.identifier.citationPHYSICAL REVIEW B, v.60, no.12, pp.8767 - 8772-
dc.identifier.issn0163-1829-
dc.identifier.urihttp://hdl.handle.net/10203/21999-
dc.description.abstractWe study the electronic structure of a magnetic quantum ring formed by inhomogeneous magnetic fields, where electrons are confined to a plane, and the magnetic fields are zero inside the ring and constant elsewhere. The energy states that deviate from the Landau levels are found to form the magnetic edge states along the boundary regions of the magnetic quantum ring. The probability densities of these magnetic edge states are found to be well corresponded to the circulating classical trajectories. In contrast to magnetic or conventional quantum dots, the eigenstates of the magnetic quantum ring show angular momentum transitions in the ground state as the magnetic field increases, even without including electron-electron interactions. For a modified magnetic quantum ring with the distribution of nonzero magnetic fields inside the ring and different fields outside it, we also find similar behaviors such as the angular momentum transitions in the ground state with increasing the magnetic field.-
dc.description.sponsorshipThis work was in part supported by KRISS, by the Korea Ministry of Education, Grant No. BSRI 97-2435, and the CMS at KAIST.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherAMERICAN PHYSICAL SOC-
dc.subject2-DIMENSIONAL ELECTRONS-
dc.subjectTRANSPORT-PROPERTIES-
dc.subjectCOMPOSITE FERMIONS-
dc.subjectEDGE STATES-
dc.subjectFIELD-
dc.subjectGAS-
dc.subjectDOTS-
dc.subjectMODULATION-
dc.subjectFILMS-
dc.titleElectronic structure of a magnetic quantum ring-
dc.typeArticle-
dc.identifier.wosid000082868800061-
dc.identifier.scopusid2-s2.0-0000401768-
dc.type.rimsART-
dc.citation.volume60-
dc.citation.issue12-
dc.citation.beginningpage8767-
dc.citation.endingpage8772-
dc.citation.publicationnamePHYSICAL REVIEW B-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorSim, Heung-Sun-
dc.contributor.localauthorChang, Kee-Joo-
dc.contributor.nonIdAuthorKim, N-
dc.contributor.nonIdAuthorIhm, G-
dc.type.journalArticleArticle-
dc.subject.keywordPlus2-DIMENSIONAL ELECTRONS-
dc.subject.keywordPlusTRANSPORT-PROPERTIES-
dc.subject.keywordPlusCOMPOSITE FERMIONS-
dc.subject.keywordPlusEDGE STATES-
dc.subject.keywordPlusFIELD-
dc.subject.keywordPlusGAS-
dc.subject.keywordPlusDOTS-
dc.subject.keywordPlusMODULATION-
dc.subject.keywordPlusFILMS-
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