Two-body random ensemble in nuclei -: art. no. 014311

被引：33

作者：

Papenbrock, T ^{[1
]}

Weidenmüller, HA

机构：

[1] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

[2] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA

[3] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

来源：

PHYSICAL REVIEW C | 2006年 / 73卷 / 01期

关键词：

D O I：

10.1103/PhysRevC.73.014311

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：

Combining analytical and numerical methods, we investigate properties of the two-body random ensemble (TBRE). We compare the TBRE with the Gaussian orthogonal ensemble of random matrices. Using the geometric properties of the nuclear shell model, we discuss the information content of nuclear spectra and gain insight in the difficulties encountered when fitting the effective interaction. We exhibit the existence of correlations between spectral widths pertaining to different quantum numbers. Using these results, we deduce the preponderance of zero-spin ground states in the TBRE. We demonstrate the existence of correlations between spectra with different quantum numbers and/or in different nuclei.

引用

页数：15

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