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Behavior of the Lyapunov exponent and phase transition in nuclei
Wang, N; Wu, XZ; Li, ZX; Zhuo, YZ; Sun, XQ; Wang, N , Inst Atom Energy, Beijing 102413, Peoples R China.
2000
发表期刊CHINESE PHYSICS LETTERS
ISSN0256-307X
卷号17期号:10页码:711-713
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.
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
关键词Unstable Systems Multifragmentation Gold
学科领域Physics
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收录类别SCI
WOS记录号WOS:000090120400004
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13038
专题理论物理所SCI论文
通讯作者Wang, N , Inst Atom Energy, Beijing 102413, Peoples R China.
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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.
APA Wang, N,Wu, XZ,Li, ZX,Zhuo, YZ,Sun, XQ,&Wang, N , Inst Atom Energy, Beijing 102413, Peoples R China..(2000).Behavior of the Lyapunov exponent and phase transition in nuclei.CHINESE PHYSICS LETTERS,17(10),711-713.
MLA Wang, N,et al."Behavior of the Lyapunov exponent and phase transition in nuclei".CHINESE PHYSICS LETTERS 17.10(2000):711-713.
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