Reliability of the pseudospin symmetry in atomic nuclei

被引：19
|
作者：
Marcos, S [1 ]
López-Quelle, M
Niembro, R
Savushkin, LN
Bernardos, P
机构：
[1] Univ Cantabria, Dept Fis Moderna, E-39005 Santander, Spain
[2] Univ Cantabria, Dept Fis Aplicada, E-39005 Santander, Spain
[3] St Petersburg Univ Telecommun, Dept Phys, St Petersburg 191065, Russia
[4] Univ Cantabria, Dept Matemat Aplicada & Ciencias Computac, E-39005 Santander, Spain
来源：
EUROPEAN PHYSICAL JOURNAL A | 2003年 / 17卷 / 02期
关键词：
D O I：
10.1140/epja/i2002-10150-5
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：
The reliability of the pseudospin symmetry (PSS) in atomic nuclei is analyzed in the framework of the relativistic Hartree approach. We find that the nuclear surface strongly increases the effect of the pseudospin-orbit potential (PSOP), spoiling the possibility of the exact realization of the PSS even in the limit of a vanishing PSOP. It is also shown that the PSS cannot be explained by the fact that Sigma(S) similar or equal to -Sigma(0). New arguments to explain the PSS in finite nuclei are given. The important role the spin-orbit interaction plays in the achievement of the PSS is also discussed.
引用
收藏
页码：173 / 180
页数：8
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