Artículo
Phase transitions in the interacting boson fermion model: The γ -unstable case
Autor/es | Alonso Alonso, Clara Eugenia
Arias Carrasco, José Miguel Fortunato, R. Vitturi, Andrea |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2005-01-11 |
Fecha de depósito | 2017-07-11 |
Publicado en |
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Resumen | The phase transition around the critical point in the evolution from spherical to deformed γ-unstable shapes is investigated in odd nuclei within the interacting boson fermion model. We consider the particular case of an ... The phase transition around the critical point in the evolution from spherical to deformed γ-unstable shapes is investigated in odd nuclei within the interacting boson fermion model. We consider the particular case of an odd j=3/2 particle coupled to an even-even boson core that undergoes a transition from spherical U(5) to γ-unstable O(6) situation. The particular choice of the j=3/2 orbital preserves in the odd case the condition of γ-instability of the system. As a consequence, energy spectrum and electromagnetic transitions, in correspondence of the critical point, display behaviors qualitatively similar to those of the even core. The results are also in qualitative agreement with the recently proposed E(5/4) model, although few differences are present, due to the different nature of the two schemes. |
Agencias financiadoras | Ministerio de Educación y Ciencia (MEC). España |
Identificador del proyecto | FIS2005-01105 |
Cita | Alonso Alonso, C.E., Arias, J.M., Fortunato, R. y Vitturi, A. (2005). Phase transitions in the interacting boson fermion model: The γ -unstable case. Physical Review C - Nuclear Physics, 72 (6), 061302-1-061302-4. |
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