Shear viscosity to entropy density ratio in BUU transport model

• 作 者: LI Shaoxin FANG Deqing MA Yuga
• 机 构: ShanghaiInstituteofAppliedPhysics,GraduateSchoolofChineseAcademyofSciences
• 出 处: 核技术：英文版
• 发表日期: 2011年4期
• 关键词: 剪切粘度 运输模型 密度比 BOLTZMANN 中能重离子碰撞 平衡系统 熵 运输系数 BUU model Liquid-gas phase transiti
• 基金项目: This work is supported by the National Natural Science Foundation of China （No.11035009, 10979074, 10775168 and 10975174）, Major State Basic Research Development Program in China （No. 2007CB815004）, F

Shear viscosity (η) is a basic transport coefficient of the medium.In this work,we calculate shear viscosity to entropy density ratio (η/S) of an equilibrated system in intermediate energy heavy ion collisions within the framework of the Boltzmann-Uehling