Symmetric nuclear matter with chiral three-nucleon forces in the self-consistent Green's functions approach

被引:98
作者
Carbone, Arianna [1 ]
Polls, Artur
Rios, Arnau [2 ]
机构
[1] Univ Barcelona, Dept Estruct & Constituents Mat, E-08028 Barcelona, Spain
[2] Univ Surrey, Fac Engn & Phys Sci, Dept Phys, Guildford GU2 7XH, Surrey, England
来源
PHYSICAL REVIEW C | 2013年 / 88卷 / 04期
关键词
SPECTRAL-FUNCTION; SCATTERING; GAS;
D O I
10.1103/PhysRevC.88.044302
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
We present calculations for symmetric nuclear matter using chiral nuclear interactions within the self-consistent Green's functions approach in the ladder approximation. Three-body forces are included via effective one-body and two-body interactions, computed from an uncorrelated average over a third particle. We discuss the effect of the three-body forces on the total energy, computed with an extended Galitskii-Migdal-Koltun sum-rule, as well as on single-particle properties. Saturation properties are substantially improved when three-body forces are included, but there is still some underlying dependence on the similarity renormalization group evolution scale.
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页数:11
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