Multifragmentation and Fluctuation of Interaction Potential

Li Junqing; Yuan Xiuqing; Liu Jianye; Ge Lingxiao; Liu Hang

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1996, Vol. 20> Issue(4) : 332-338

Multifragmentation and Fluctuation of Interaction Potential

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000

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Abstract：
The variation of equipotential lines of interaction potential with the intuitively gives the information about the fluctuation of the potential in intermediate energy heavy ion collisions.At the early stage of collisions the potential value in the central region of the system could be positive.The followed irregular deformation of equipotential lines in the region,especially the appearance of the negative curvatUre of the equipotential lines causes the chaotic nucleonic motion.The phase difference of the neighbouring nucleons increases with time exponentially,and the phase space of nucleons thus separates and caussd the multifragmentation.

References

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C.AOgilvie et al.,Nucl.Phys.,A553（1993）271c.[2]M.B.Tsang,Proceedings of the XXXII international winter meeting on nuclear physics,Edited by I.Iori,Bormio（Italy）24-28Jan.1994,P512.[3]M.Begman-Blaich,J.C.Adloff et al.,Proceedings of the XXXII international winter meeting on nuclear physics,Edited by I.Iori,Bormio（Italy）24-28Jan.1994,p107.[4]J.Aichelin,H.Stocker,Phys.Lett.,176B（1986）14.[5]J.Aichclin,Phys Rcp.,202（1991）233.[6]M.Begemann-Blaich,W.F.J.Muller,J.Aichelin et al.,QMD simulation of multifragment production in heavy-ion collisions at E/A=600MeV,GSI-93-29,Preprint,April,1993.[7]Li Junqing,Huang Weiqi,Phys.Rev.,C50（1994）1632.

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Li Junqing, Yuan Xiuqing, Liu Jianye, Ge Lingxiao and Liu Hang. Multifragmentation and Fluctuation of Interaction Potential[J]. Chinese Physics C, 1996, 20(4): 332-338.

Li Junqing, Yuan Xiuqing, Liu Jianye, Ge Lingxiao and Liu Hang. Multifragmentation and Fluctuation of Interaction Potential[J]. Chinese Physics C, 1996, 20(4): 332-338. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Multifragmentation and Fluctuation of Interaction Potential

Corresponding author: Li Junqing,

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-04-05

Abstract: The variation of equipotential lines of interaction potential with the intuitively gives the information about the fluctuation of the potential in intermediate energy heavy ion collisions.At the early stage of collisions the potential value in the central region of the system could be positive.The followed irregular deformation of equipotential lines in the region,especially the appearance of the negative curvatUre of the equipotential lines causes the chaotic nucleonic motion.The phase difference of the neighbouring nucleons increases with time exponentially,and the phase space of nucleons thus separates and caussd the multifragmentation.