Quark condensate in nuclear matter based on nuclear Schwinger-Dyson formalism

被引:10
|
作者
Mitsumori, T [1 ]
Noda, N [1 ]
Kouno, H [1 ]
Hasegawa, A [1 ]
Nakano, M [1 ]
机构
[1] UNIV OCCUPAT & ENVIRONM HLTH, KITAKYUSHU, FUKUOKA 807, JAPAN
来源
PHYSICAL REVIEW C | 1997年 / 55卷 / 03期
关键词
D O I
10.1103/PhysRevC.55.1577
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
The effects of higher order corrections of ring diagrams for the quark condensate are studied by using the bare vertex nuclear Schwinger-Dyson formalism based on sigma-omega model. The correction of the ring diagrams affects the quark condensate when the sigma meson ''sigma term'' is large.
引用
收藏
页码:1577 / 1579
页数:3
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