Effective Hadron Masses and Effective Interactions in Nuclear Matter(Nuclear Physics)
スポンサーリンク
概要
- 論文の詳細を見る
Relations among effective hadron masses, effective interactions and equations of state are studied using a generalized mean-field theory that includes the implicit and explicit density dependence of the effective masses and couplings. We find that we can make the effective ω-meson mass smaller and the equation of state softer simultaneously if the ω-meson mean field is proportional to the baryon density. In this case, there is a simple and exact relation between the effective ω-meson mass and the effective ω-nucleon coupling. According to this relation, the effective ω-nucleon coupling automatically decreases if the effective ω-meson mass decreases. Consequently, the equation of state becomes softer. An attempt to incorporate the QCD sum-rule results into the hadron field theory is also made.
- 理論物理学刊行会の論文
- 2004-11-25
著者
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Kouno Hiroaki
Department Of Physics Saga University
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Horinouchi Yasushi
Department Of Physics Saga University
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TUCHITANI Kunito
Saga High School of Technology
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