Chiral Effective Lagrangian Description of Nuclear Matter with In-Medium Pion Effect

Chin. Phys. Lett.

2003, Vol. 20

Issue (2): 213-215 DOI:

Original Articles

Chiral Effective Lagrangian Description of Nuclear Matter with In-Medium Pion Effect

ZHANG Xiao-Bing;NING Ping-Zhi

Department of Physics, Nankai University, Tianjin 300071

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ZHANG Xiao-Bing, NING Ping-Zhi 2003 Chin. Phys. Lett. 20 213-215

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Abstract By including the in-medium pion effect, we study the description of nuclear matter based on the non-linear chiral Lagrangian at the leading order. An in-medium effective Lagrangian is constructed without the necessity of introducing the phenomenological scalar-isoscalar field. At the mean-field level, the in-medium Lagrangian description of nuclear matter is shown to be compatible with that obtained from the Brown-Rho scaled model.

Keywords: 21.65.+f 12.39.Fe

Published: 01 February 2003

PACS:	21.65.+f
	12.39.Fe	(Chiral Lagrangians)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I2/0213

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