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Título: | Exactly solvable Richardson–Gaudin models and their applications |
Autor: | Pittel, S.; Dukelsky, Jorge CSIC ORCID | Palabras clave: | [PACS] Shell model [PACS] Models based on group theory [PACS] Integrable systems |
Fecha de publicación: | 28-jun-2006 | Editor: | Royal Swedish Academy of Sciences | Citación: | Physica Scripta T125: 91–93 (2006) | Resumen: | We first show that the quantum pairing problem can be mapped exactly on to a classical electrostatic problem in two dimensions and then use this analogy to obtain a pictorial representation of how superconductivity arises in a finite fermionic system. Specific application to the nuclei 114−116Sn suggests some new insight into the evolution of pairing correlations in a quantum system with few active particles. We also summarize other recent work on exactly solvable pairing models, including their applications in a wide variety of strongly correlated quantum systems. | Descripción: | 3 pages, 1 table, 1 figure.--PACS nrs.: 21.60.Cs, 21.60.Fw, 02.30.Ik.--Arxiv pre-print available at: http://arxiv.org/abs/math-ph/0609022v1 | Versión del editor: | http://dx.doi.org/10.1088/0031-8949/2006/T125/020 | URI: | http://hdl.handle.net/10261/18806 | DOI: | 10.1088/0031-8949/2006/T125/020 | ISSN: | 0031-8949 | E-ISSN: | 1402-4896 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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