Properties of Nuclei up to $A=16$ using Local Chiral Interactions
Properties of Nuclei up to $A=16$ using Local Chiral Interactions
复制标题
使用局域手性相互作用计算 A=16 以下原子核的性质
DOI：
10.1103/physrevlett.120.122502
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发表时间：
2018
影响因子：
8.6
通讯作者：
Wang X. B.
中科院分区：
文献类型：
--
作者：
Lonardoni D.;Carlson J.;G;olfi S.;Lynn J. E.;Schmidt K. E.;Schwenk A.;Wang X. B.
我们报告了精确的量子Monte Carlo计算的核高达基于本地手征的两个和三个核子相互作用下，下一个到下一个到领先的顺序。我们研究了与手征展开和理论中的截断相关的理论不确定性，以及在三核子相互作用中相关的算符选择。而在轻核中，截止变差和系统不确定性相当小，这对于大坐标空间截止是很重要的。总体而言，我们表明，手征相互作用构造再现非常轻的系统和核子-核子散射的属性给出了一个很好的描述的结合能，电荷半径，和所有这些核的形状因子，包括开壳层系统inand 12。
We report accurate quantum Monte Carlo calculations of nuclei up tobased on local chiral two- and three-nucleon interactions up to next-to-next-to-leading order. We examine the theoretical uncertainties associated with the chiral expansion and the cutoff in the theory, as well as the associated operator choices in the three-nucleon interactions. While in light nuclei the cutoff variation and systematic uncertainties are rather small, inthese can be significant for large coordinate-space cutoffs. Overall, we show that chiral interactions constructed to reproduce properties of very light systems and nucleon-nucleon scattering give an excellent description of binding energies, charge radii, and form factors for all these nuclei, including open-shell systems inand 12.