| 快度中心区强子物质输运系数和粘滞流体演化 |
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| 引用本文： | 张晓飞,李家荣.快度中心区强子物质输运系数和粘滞流体演化[J].中国物理 C,1994,18(2):172-179. |
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| 作者姓名： | 张晓飞 李家荣 |
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| 作者单位： | 华中师范大学粒子物理研究所 |
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| 摘 要： | 用Chapman-Enskog方法计算了相对论性重离子碰撞快度中心区产生的π介子物质的输运系数,并建立了相应的粘滞流体力学方程,进而讨论了粘滞对π介子物质演化过程的影响.结果表明,粘滞将减缓快度中心区π介子物质的冷却速度.
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| 关 键 词： | 输运系数 粘滞流体 Chapman-Enskog方法 |
Transport Coefficients and Viscous Hydrodynamical Evolution of Hadron Matter in the Central Rapidity Region |
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| Zhang Xiaofei, Li Jiarong.Transport Coefficients and Viscous Hydrodynamical Evolution of Hadron Matter in the Central Rapidity Region[J].High Energy Physics and Nuclear Physics,1994,18(2):172-179. |
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| Authors: | Zhang Xiaofei Li Jiarong |
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| Abstract: | By using the Chapman-Enskog method, we calculate the transport coefficients ofhadron matter in the central rapidity region for relativistic heavy-ion collions, and establish the corresponding viscous hydrodynamical equation. The numerical solution of the equation shows that viscous effects slow down the cooling of pion matter in the central rapidity region. |
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| Keywords: | Transport Coefficients Viscous hydrodynamic Chapman-Enskog Method |
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