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Contact-dependent effects and tunneling currents in DNA molecules

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dc.contributor.authorMaciá Barber, Enrique Alfonso
dc.contributor.authorTriozon, François
dc.contributor.authorRoche, Stephan
dc.date.accessioned2023-06-20T12:39:42Z
dc.date.available2023-06-20T12:39:42Z
dc.date.issued2005-03
dc.description©2005 The American Physical Society. This work was partly supported by UCM through Project No. PR3/04-12450, the Ministerio de Educación y Ciencia through Project No. FIS2004-00067, the consejería de Educación de la CAM and European Union FEDER through Project No. GR/MAT/0768/2004.
dc.description.abstractWe report on theoretical results about contact-dependent effects and tunneling currents through DNA molecules. A tetranucleotide PolyGACT chain, connected in between metallic contacts, is studied as a generic case, and compared to other periodic sequences such as PolyAT or PolyGC. Remarkable resonance conditions are analytically derived, indicating that a strong coupling does not always result in a larger conductance. This result is properly illustrated by considering intrinsic features of bias-dependent tunneling currents in the coherent regime.
dc.description.departmentDepto. de Física de Materiales
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Educación y Ciencia (MEC)
dc.description.sponsorshipUniversidad Complutense de Madrid
dc.description.sponsorshipComunidad de Madrid/FEDER
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/44746
dc.identifier.doi10.1103/PhysRevB.71.113106
dc.identifier.issn1098-0121
dc.identifier.officialurlhttp://dx.doi.org/10.1103/PhysRevB.71.113106
dc.identifier.relatedurlhttps://journals.aps.org
dc.identifier.urihttps://hdl.handle.net/20.500.14352/52109
dc.issue.number11
dc.journal.titlePhysical review B
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.projectIDFIS2004-00067
dc.relation.projectIDPR3/04-12450
dc.relation.projectIDGR/MAT/0768/2004.
dc.rights.accessRightsopen access
dc.subject.cdu538.9
dc.subject.keywordCharge-transport
dc.subject.keywordElectrical-transport
dc.subject.keywordLambda-DNA
dc.subject.keywordConductivity
dc.subject.keywordElectrode
dc.subject.keywordDisorder
dc.subject.keywordModel
dc.subject.keywordPairs
dc.subject.keywordWire
dc.subject.ucmFísica de materiales
dc.subject.ucmFísica del estado sólido
dc.subject.unesco2211 Física del Estado Sólido
dc.titleContact-dependent effects and tunneling currents in DNA molecules
dc.typejournal article
dc.volume.number71
dspace.entity.typePublication
relation.isAuthorOfPublicationdd37b3ce-0186-44e8-a4b6-62cef9121754
relation.isAuthorOfPublication.latestForDiscoverydd37b3ce-0186-44e8-a4b6-62cef9121754

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