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| Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
| Campo DC | Valor | Lengua/Idioma |
|---|---|---|
| dc.contributor.author | Arias, José María | - |
| dc.contributor.author | Dukelsky, Jorge | - |
| dc.contributor.author | García Ramos, José Enrique | - |
| dc.contributor.author | Vidal, Julien | - |
| dc.date.accessioned | 2009-07-27T11:52:55Z | - |
| dc.date.available | 2009-07-27T11:52:55Z | - |
| dc.date.issued | 2007-01-02 | - |
| dc.identifier.citation | Physical Review C 75(1): 014301 (2007) | en_US |
| dc.identifier.issn | 0556-2813 | - |
| dc.identifier.uri | http://hdl.handle.net/10261/15410 | - |
| dc.description | 10 pages, 1 table, 12 figures.-- PACS nrs.: 21.60.Fw; 73.43.Nq.-- ArXiv pre-print available at: http://arxiv.org/abs/nucl-th/0609001v1 | en_US |
| dc.description.abstract | The phase diagram of two-level boson Hamiltonians, including the interacting boson model (IBM), is studied beyond the standard mean field approximation using the Holstein-Primakoff mapping. The limitations of the usual intrinsic state (mean field) formalism concerning finite-size effects are pointed out. The analytic results are compared to numerics obtained from exact diagonalizations. Excitation energies and occupation numbers are studied in different model space regions (Casten triangle for IBM) and especially at the critical points. | en_US |
| dc.description.sponsorship | This work has been partially supported by the Spanish Ministerio de Educación y Ciencia and by the European regional development fund (FEDER) under project numbers BFM2003-05316-C02-02, FIS2005-01105, and FPA2003-05958. | en_US |
| dc.format.extent | 399246 bytes | - |
| dc.format.mimetype | application/pdf | - |
| dc.language.iso | eng | en_US |
| dc.publisher | American Physical Society | en_US |
| dc.rights | openAccess | en_US |
| dc.subject | [PACS] Models based on group theory | en_US |
| dc.subject | [PACS] Quantum phase transitions | en_US |
| dc.title | Two-level interacting boson models beyond the mean field | en_US |
| dc.type | artículo | en_US |
| dc.identifier.doi | 10.1103/PhysRevC.75.014301 | - |
| dc.description.peerreviewed | Peer reviewed | en_US |
| dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevC.75.014301 | en_US |
| dc.identifier.e-issn | 1089-490X | - |
| dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
| item.openairetype | artículo | - |
| item.grantfulltext | open | - |
| item.cerifentitytype | Publications | - |
| item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
| item.fulltext | With Fulltext | - |
| item.languageiso639-1 | en | - |
| Aparece en las colecciones: | (CFMAC-IEM) Artículos | |
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| Fichero | Descripción | Tamaño | Formato | |
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| 2 level.pdf | 389,89 kB | Adobe PDF |  Visualizar/Abrir |
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