CHAOS IN THE LOW-LYING COLLECTIVE STATES OF EVEN-EVEN NUCLEI - QUANTAL FLUCTUATIONS

被引：72

作者：

ALHASSID, Y ^{[1
]}

NOVOSELSKY, A ^{[1
]}

机构：

[1] YALE UNIV, AW WRIGHT NUCL STRUCT LAB, NEW HAVEN, CT 06511 USA

来源：

PHYSICAL REVIEW C | 1992年 / 45卷 / 04期

关键词：

D O I：

10.1103/PhysRevC.45.1677

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We study the fluctuations in the spectrum and the E2 transition intensities of the low-lying collective states in heavy nuclei. Using the interacting boson model we investigate the transition from rotational nuclei to gamma-unstable nuclei. Near those two limits the system exhibits regular behavior but in the transition region we observe the onset of chaos where both the level statistics and the intensities statistics are described by the Gaussian orthogonal ensemble of random matrices. The systematics of the onset of chaos within different spin/parity classes are investigated. The quantal results agree with the classical mean-field analysis.

引用

页码：1677 / 1687

页数：11

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