Two-neutron correlations in microscopic wave functions of ^6He, ^8He and ^<12>C
Two-neutron correlations in microscopic wave functions of ^6He, ^8He and ^<12>C
复制标题
^6He、^8He 和 ^<12>C 微观波函数中的两个中子相关性
DOI：
10.1103/physrevc.84.054301
复制
发表时间：
2011
影响因子：
3.1
通讯作者：
Tadahiro Suhara
中科院分区：
文献类型：
--
作者：
Yoshiko Kanada-En'yo;Hans Feldmeier;Tadahiro Suhara
本文研究了由He和He的微观波函数得到的双中子密度，以揭示双中子关联。特别是，双中子密度与单中子密度乘积的比较对于定量讨论双中子关联是有用的。计算结果表明，在He和He表面，空间两中子关联增大。这种增强在He基态下是显著的，但在He基态下并不显著。许多斯莱特行列式的组态混合是描述双中子关联的基本条件。本文还研究了具有团簇结构的C波函数中的双中子密度。
Two-neutron densities obtained from microscopic wave functions ofHe andHe are investigated to reveal dineutron correlations. In particular, the comparison of the two-neutron density with the product of one-neutron densities is useful for a quantitative discussion of dineutron correlations. The calculations show that thespatial two-neutron correlation increases at the surface ofHeandHe. The enhancement is remarkable in theHeground state but not as prominent in theHeground state. Configuration mixing of many Slater determinants is essential to describe the dineutron correlations. Two-neutron densities inC wave functions with-cluster structures are also studied.