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| Título: | Disentangling phase transitions and critical points in the proton-neutron interacting boson model by catastrophe theory |
Autor: | García-Ramos, J.E.; Arias, José María; Dukelsky, Jorge CSIC ORCID | Palabras clave: | Quantum phase transition Proton-neutron interacting boson model Catastrophe theory |
Fecha de publicación: | 2014 | Editor: | Elsevier | Citación: | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 736: 333- 338 (2014) | Resumen: | We introduce the basic concepts of catastrophe theory needed to derive analytically the phase diagram of the proton-neutron interacting boson model (IBM-2). Previous studies [1-3] were based on numerical solutions. We here explain the whole IBM-2 phase diagram including the precise order of the phase transitions in terms of the cusp catastrophe. © 2014 The Authors. | URI: | http://hdl.handle.net/10261/110249 | DOI: | 10.1016/j.physletb.2014.07.038 | Identificadores: | doi: 10.1016/j.physletb.2014.07.038 issn: 0370-2693 |
| Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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| GRamos.pdf | 164,49 kB | Adobe PDF |  Visualizar/Abrir |
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