Quantum Monte Carlo calculations of light nuclei

被引：124

作者：

Pieper, SC ^{[1
]}

机构：

[1] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA

来源：

NUCLEAR PHYSICS A | 2005年 / 751卷

基金：

美国能源部;

关键词：

D O I：

10.1016/j.nuclphysa.2005.02.018

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：

Variational Monte Carlo and Green's function Monte Carlo are powerful tools for Calculations of properties of light nuclei using realistic two-nucleon (NN) and three-nucleon (NNN) potentials. Recently the GFMC method has been extended to multiple states with the same quantum numbers. The combination of the Argonne nu(18) two-nucleon and Illinois-2 three-nucleon potentials gives a good prediction of many energies of nuclei up to C-12. A number of other recent results are presented: comparison of binding energies with those obtained by the no-core shell model; the incompatibility of modern nuclear Hamiltonians with a bound tetra-neutron-, difficulties in computing RMS radii of very weakly bound nuclei, such as He-6; center-of-mass effects on spectroscopic factors; and the possible use of an artificial external well in calculations of neutron-rich isotopes.

引用

页码：516C / 532C

页数：17

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