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Artículo
Pygmy resonances in artificial nuclei far-infrared absorption by electron-hole droplets
dc.creator | Capote, Roberto | es |
dc.creator | Delgado, Alain | es |
dc.creator | González, Augusto | es |
dc.date.accessioned | 2017-09-06T15:01:26Z | |
dc.date.available | 2017-09-06T15:01:26Z | |
dc.date.issued | 2001-01-30 | |
dc.identifier.citation | Capote, R., Delgado, A. y González, A. (2001). Pygmy resonances in artificial nuclei far-infrared absorption by electron-hole droplets. Modern Physics Letters B, 15 (2), 81-87. | |
dc.identifier.issn | 0217-9849 (impreso) | es |
dc.identifier.issn | 1793-6640 (electrónico) | es |
dc.identifier.uri | http://hdl.handle.net/11441/64230 | |
dc.description.abstract | The structure of E1 resonances has been examined in a microscopic random phase approximation calculation for neutral, symmetric, closed shell and electron-hole systems in a quantum dot. The number of electron-hole pairs, N, is varied from 6 to 42. The occurrence of small, but distinct, E1 peaks in the far-infrared spectra located in the low energy tail of the giant dipole resonance consisting of highly coherent electron-hole excitations is predicted. These pygmy resonances account for about 2% of the dipole energy-weighted photoabsorption sum rule. A very weak dependence of the average pygmy resonance energy on the number of electron-hole pairs is found. | es |
dc.format | application/pdf | es |
dc.language.iso | eng | es |
dc.publisher | World Scientific Publishing Co. Pte Ltd | es |
dc.relation.ispartof | Modern Physics Letters B, 15 (2), 81-87. | |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.title | Pygmy resonances in artificial nuclei far-infrared absorption by electron-hole droplets | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/submittedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear | es |
dc.relation.publisherversion | http://dx.doi.org/10.1142/S0217984901001549 | es |
dc.identifier.doi | 10.1142/S0217984901001549 | es |
idus.format.extent | 7 p. | es |
dc.journaltitle | Modern Physics Letters B | es |
dc.publication.volumen | 15 | es |
dc.publication.issue | 2 | es |
dc.publication.initialPage | 81 | es |
dc.publication.endPage | 87 | es |
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