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题名: Behavior of the Lyapunov exponent and phase transition in nuclei
作者: Wang, N ;  Wu, XZ ;  Li, ZX ;  Wang, N ;  Zhuo, YZ ;  Sun, XQ
刊名: CHINESE PHYSICS LETTERS
出版日期: 2000
卷号: 17, 期号:10, 页码:711-713
关键词: UNSTABLE SYSTEMS ;  MULTIFRAGMENTATION ;  GOLD
学科分类: Physics
通讯作者: Wang, N , Inst Atom Energy, Beijing 102413, Peoples R China.
部门归属: Inst Atom Energy, Beijing 102413, Peoples R China; NW Univ Xian, Dept Phys, Xian 710069, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Ctr Nucl Theory, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China
英文摘要: Based on the quantum molecular dynamics model, we investigate the dynamical behaviors of the excited nuclear system to simulate the latter stage of heavy ion reactions, which associate with a liquid-gas phase transition. We try to search a microscopic way to describe the phase transition in real nuclei. The Lyapunov exponent is employed and examined for our purpose. We find out that the Lyapunov exponent is one of good microscopic quantities to describe the phase transition in hot nuclei. Coulomb potential and the finite size effect may give a strong influence on the critical temperature. However, the collision term plays a minor role in the process of the liquid-gas phase transition in finite systems.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000090120400004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13038
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Wang, N,Wu, XZ,Li, ZX,et al. Behavior of the Lyapunov exponent and phase transition in nuclei[J]. CHINESE PHYSICS LETTERS,2000,17(10):711-713.
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