Chaos in the Low-Lying Collective States in Nuclei (原子核集団ダイナミックスの新動向)

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概要

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• The fluctuation properties of the spectrum and of the electromagnetic B(E2) transition of low-lying collective states of nuclei are studied. Using the framework of the interacting boson model we discuss the transition between rotational and γ-unstable nuclei. Near those two limits the system exhibits regular behavior but in the transition region it shows chaotic behavior, where the fluctuations of both the levels and the E2 intensities approach those characterizing the Gaussian Orthogonal Ensemble of random matrices. Analysis of the classical mean-field dynamics of the five nuclear quadrupole shape degrees of freedom confirms the quantal results.

• 素粒子論グループ 素粒子研究編集部の論文
• 1991-07-20

著者

• Alhassid Y.

  Center For Theoretical Physics Sloane Physics Laboratory And A. W. Wright Nuclear Structure Laborato

• Alhassid Yoram

  Center for Theoretical Physics, Sloane Physics Laboratory and A. W. Wright Nuclear Structure Laboratory, Yale University

関連論文

• 殻模型 Monte Carlo 法とその核準位密度への応用
• Two-Time Influence Functional Approach to Multidimensional Quantum Tunneling
• Chaos in the Low-Lying Collective States in Nuclei (原子核集団ダイナミックスの新動向)

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