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Level density fluctuations in the generalized interacting boson model |
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| Authors: | V. Lopac V. Paar |
| Affiliation: | 1. Faculty of Chemical Engineering and Technology, Department of Physics, University of Zagreb, Pierottijeva 6, 41000, Zagreb, Croatia 2. Faculty of Sience, Department of Physics, University of Zagreb, Bijeni?ka 32, 41000, Zagreb, Croatia |
| Abstract: | Level density fluctuations are calculated within the generalized interacting boson model proposed for even-even nuclei, in dependence on the truncation parameterk. For the case  =2 corresponding to theSU(3) dynamical symmetry of the interacting boson model the fluctuation pattern is close to Poissonian. For cases  2, including the anharmonic vibrator model for which = , a rapid transition to the fluctuation pattern close to GOE is obtained. |
| Keywords: | PACS 24.60.Ky 21.60.Ev 21.60.Fw |
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