Persistent currents in helical structures

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dc.citation.epage4en_US
dc.citation.issueNumber19en_US
dc.citation.spage1en_US
dc.citation.volumeNumber70en_US
dc.contributor.authorIskin, M.en_US
dc.contributor.authorKulik, I. O.en_US
dc.date.accessioned2016-02-08T10:25:35Z
dc.date.available2016-02-08T10:25:35Z
dc.date.issued2004en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractThe recent discovery of mesoscopic electronic structures, in particular the carbon nanotubes, made necessary an investigation of what effect a helical symmetry of the conductor (metal or semiconductor) may have on the persistent current oscillations, We investigate persistent currents in helical structures which are nondecaying in time, not requiring a voltage bias, dissipationless stationary flow of electrons in a normal-metallic or semiconducting cylinder or circular wire of mesoscopic dimension. In the presence of magnetic flux along the toroidal structure, helical symmetry couples circular and longitudinal currents to each other. Our calculations suggest that circular persistent currents in these structures have two components with periods Φ0 and Φ0/s (s is an integer specific to any geometry). However, resultant circular persistent current oscillations have Φ0 period.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T10:25:35Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2004en
dc.identifier.doi10.1103/PhysRevB.70.195411en_US
dc.identifier.issn1098-0121
dc.identifier.urihttp://hdl.handle.net/11693/24201
dc.language.isoEnglishen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1103/PhysRevB.70.195411en_US
dc.source.titlePhysical Review B - Condensed Matter and Materials Physicsen_US
dc.subjectCarbon nanotubeen_US
dc.subjectChemical structureen_US
dc.subjectElectric currenten_US
dc.subjectElectric potentialen_US
dc.subjectElectron transporten_US
dc.subjectMathematical analysisen_US
dc.subjectMathematical computingen_US
dc.subjectOscillationen_US
dc.subjectSemiconductoren_US
dc.titlePersistent currents in helical structuresen_US
dc.typeArticleen_US

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