Extended chiral Hartree-Fock model for nuclear matter

被引：0
|
作者：
Hu, Jinniu [1 ]
Toki, Hiroshi [1 ]
Shen, Hong [2 ]
机构：
[1] Osaka Univ, Res Ctr Nucl Phys RCNP, Osaka 5670047, Japan
[2] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON THE STRUCTURE OF BARYONS (BARYONS '10) | 2011年 / 1388卷
关键词：
Chiral sigma model; Hartree-Fock; 2p-2h; form factor; FIELD;
D O I：
10.1063/1.3647449
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the properties of nuclear matter with extended chiral Hartree-Fock model. The two-particle-two-hole (2p-2h) states are introduced in the nucleon ground wave function to take the tensor components of pion into account. We also consider the form factor effect of pion to regularize its high momentum behavior. We find that the pion contribution from 2p-2h states plays a very important role in the saturation mechanism of nuclear matter. Furthermore, the saturation properties are also influenced by the cut-off moment of form factor.
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页数：3
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