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Chaotic Behavior in Warm Deformed Nuclei Induced by Residual Two-Body Interactions

By M. Matsuo, T. Døssing, B. Herskind, S. Frauendorf, E. Vigezzi and R. A. Broglia


Band mixing calculations in rapidly rotating well-deformed nuclei are presented, investigating the properties of energy levels and rotational transitions as a function of excitation energy. Substantial fragmentation of E2 transitions is found for $E_x \gsim$ 800 keV above yrast, which represents the onset of rotational damping. Above $E_x \approx $ 2 MeV, energy levels and E2 strengths display fluctuations typical of quantum chaotic systems, which are determined by the high multipole components of the two-body residual interaction.Comment: 7 pages, phyzzx, YITP/K-100

Topics: Nuclear Theory
Publisher: 'Elsevier BV'
Year: 1992
DOI identifier: 10.1016/0375-9474(93)90542-6
OAI identifier:

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