Absence of extended states in a ladder model of DNA
| dc.contributor.author | Díaz García, Elena | |
| dc.contributor.author | Sedrakyan, A. | |
| dc.contributor.author | Sedrakyan, D. | |
| dc.contributor.author | Domínguez-Adame Acosta, Francisco | |
| dc.date.accessioned | 2023-06-20T10:48:02Z | |
| dc.date.available | 2023-06-20T10:48:02Z | |
| dc.date.issued | 2007-01 | |
| dc.description | © 2007 The American Physical Society. Work at Madrid was supported by MEC Project FIS2006-01485. D.S. and A.S. acknowledges INTAS grant 03-51-5460 for partial financial support. | |
| dc.description.abstract | We consider a ladder model of DNA for describing carrier transport in a fully coherent regime through finite segments. A single orbital is associated to each base, and both interstrand and intrastrand overlaps are considered within the nearest-neighbor approximation. Conduction through the sugar-phosphate backbone is neglected. We study analytically and numerically the spatial extend of the corresponding states by means of the Landauer and Lyapunov exponents. We conclude that intrinsic-DNA correlations, arising from the natural base pairing, does not suffice to observe extended states, in contrast to previous claims. | |
| dc.description.department | Depto. de Física de Materiales | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | MEC | |
| dc.description.sponsorship | INTAS | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/27363 | |
| dc.identifier.doi | 10.1103/PhysRevB.75.014201 | |
| dc.identifier.issn | 1098-0121 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1103/PhysRevB.75.014201 | |
| dc.identifier.relatedurl | http://journals.aps.org | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/51246 | |
| dc.issue.number | 1 | |
| dc.journal.title | Physical Review B | |
| dc.language.iso | eng | |
| dc.publisher | American Physical Society | |
| dc.relation.projectID | FIS2006-01485 | |
| dc.relation.projectID | 03-51-5460 | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 538.9 | |
| dc.subject.keyword | Metal-Insulator-Transition | |
| dc.subject.keyword | Correlated Disorder | |
| dc.subject.keyword | Electronic Transport | |
| dc.subject.keyword | Anderson Model | |
| dc.subject.keyword | Scaling Theory | |
| dc.subject.keyword | Localization | |
| dc.subject.keyword | Delocalization | |
| dc.subject.keyword | Sequences | |
| dc.subject.keyword | Molecules | |
| dc.subject.keyword | Strand | |
| dc.subject.ucm | Física de materiales | |
| dc.title | Absence of extended states in a ladder model of DNA | |
| dc.type | journal article | |
| dc.volume.number | 75 | |
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| dspace.entity.type | Publication | |
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| relation.isAuthorOfPublication | dbc02e39-958d-4885-acfb-131220e221ba | |
| relation.isAuthorOfPublication.latestForDiscovery | d03da7bf-8066-4f33-93e2-ac077fd4fcb8 |
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