Influence of Self-Interaction ofσ Meson to the Equation of State of Nuclear Matter

CHEN Wei; AI Bao-Quan; ZHENG Xiao-Ping; LIU Liang-Gang

Chinese Physics C> 2001, Vol. 25> Issue(1) : 23-30

Influence of Self-Interaction ofσ Meson to the Equation of State of Nuclear Matter

Department of Physics, ZhongShan University ,GuangZhou 510275, China

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Abstract：
In the relativistic σ-ωmodel, the influence of the parameters in self-interaction of a meson to the equation of state of normal nuclear matter, especially, to incompressibility, effective mass, and coupling constants, is studied in detail. We find that these parameters have an intense relationship to the property of nuclear matter. At the same time , we study the relation between the binding energy and pressure of relativestic △-resonance nuclear matter and temperature using using above results in the relativistic σ-ω-π model,and it is interesting to compare it to our prior work. In all these studies, the vacuum fluctuation on nucleon, △-isobar, and σmeson is considered.

References

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CHEN Wei, AI Bao-Quan, ZHENG Xiao-Ping and LIU Liang-Gang. Influence of Self-Interaction ofσ Meson to the Equation of State of Nuclear Matter[J]. Chinese Physics C, 2001, 25(1): 23-30.

CHEN Wei, AI Bao-Quan, ZHENG Xiao-Ping and LIU Liang-Gang. Influence of Self-Interaction ofσ Meson to the Equation of State of Nuclear Matter[J]. Chinese Physics C, 2001, 25(1): 23-30. shu

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Received: 1999-12-03
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Influence of Self-Interaction ofσ Meson to the Equation of State of Nuclear Matter

Corresponding author: CHEN Wei,

Department of Physics, ZhongShan University ,GuangZhou 510275, China

Received Date: 1999-12-03

Accepted Date: 1900-01-01

Available Online: 2001-01-05

Abstract: In the relativistic σ-ωmodel, the influence of the parameters in self-interaction of a meson to the equation of state of normal nuclear matter, especially, to incompressibility, effective mass, and coupling constants, is studied in detail. We find that these parameters have an intense relationship to the property of nuclear matter. At the same time , we study the relation between the binding energy and pressure of relativestic △-resonance nuclear matter and temperature using using above results in the relativistic σ-ω-π model,and it is interesting to compare it to our prior work. In all these studies, the vacuum fluctuation on nucleon, △-isobar, and σmeson is considered.

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Influence of Self-Interaction ofσ Meson to the Equation of State of Nuclear Matter

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