Localization in 2p1f nuclear shell-model wavefunctions
| Autor: | Kamales Kar, Rafael A. Molina, J. Retamosa, V. K. B. Kota, José María Gómez |
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| Jazyk: | angličtina |
| Předmět: |
[PACS] Chaos in nuclear systems
Physics [PACS] Shell model Nuclear and High Energy Physics Basis (linear algebra) Gaussian Chaotic Nuclear shell model Spectral line symbols.namesake Shell-model wavefunctions information entropy Isospin Quantum mechanics Principal component analysis symbols Chaos in nuclei Wave function [PACS] Single-particle levels and strength functions |
| Zdroj: | Digital.CSIC. Repositorio Institucional del CSIC instname |
| ISSN: | 0370-2693 |
| DOI: | 10.1016/j.physletb.2003.06.041 |
| Popis: | 8 pages, 1 table, 4 figures.--PACS nrs.: 21.60.Cs; 21.10.Pc; 24.60.Lz.--Printed version published Aug 14, 2003. For the study of complexity and chaos in many-particle nuclear wavefunctions in large shell-model basis spaces, the localization length related to the number of principal components is calculated for several Ca, Sc and Ti isotopes, and compared to the predictions of the embedded Gaussian orthogonal ensemble. The large dimensionalities involved, up to many thousands, ensure good statistics, and the agreement is very good in the chaotic region of the spectra. The localization length of shellmodel wavefunctions in Ca isotopes is much smaller than in Sc, showing a strong isospin dependence of nuclear chaos, in good agreement with previous results based on energy level fluctuation properties. This work was supported in part by Spanish Government grants No. DGI-BFM2000-0600 and DGIFTN2000-0963-C02-01. |
| Databáze: | OpenAIRE |
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