Quark-meson coupling model with the cloudy bag

被引：28

作者：

Nagai, S. ^{[1
]}

Miyatsu, T. ^{[1
]}

Saito, K. ^{[1
]}

Tsushima, K. ^{[2
]}

机构：

[1] Tokyo Univ Sci, Fac Sci & Technol, Dept Phys, Noda, Chiba 2788510, Japan

[2] Thomas Jefferson Natl Accelerator Facil, Theory Grp, EBAC, Newport News, VA 23606 USA

来源：

PHYSICS LETTERS B | 2008年 / 666卷 / 03期

关键词：

quark-meson coupling model; nuclear matter; cloudy bag; chiral symmetries;

D O I：

10.1016/j.physletb.2008.07.065

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the volume coupling version of the cloudy bag model, the quark-meson coupling model is extended to study the role of pion field and the properties of nuclear matter. The extended model includes the effect of gluon exchange as well as the pion-cloud effect, and provides a good description of the nuclear matter properties. The relationship between the extended model and the EFT approach to nuclear matter is also discussed. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：239 / 244

页数：6

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