AN ACCURATE METHOD OF DERIVING EFFECTIVE PAIR POTENTIAL FROM STRUCTURAL DATA OF LIQUID ALKALI-METALS

被引:9
作者
MUNEJIRI, S
SHIMOJO, F
HOSHINO, K
WATABE, M
机构
[1] Faculty of Integrated Arts and Sciences, Hiroshima University
关键词
THEORY; SIMULATION; LIQUID METAL; STRUCTURE; INVERSE PROBLEM;
D O I
10.1143/JPSJ.64.344
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have derived the effective pair potential of liquid sodium at 373 K from the experimental structural data using the inverse method proposed by Reatto er al. (Phys. Rev. A 33 (1986) 3451) and shown that, to improve the accuracy and the efficiency of the method, it is necessary to obtain an accurate pair distribution function by performing the simulation for a large system with the pair potential truncated at a large cutoff distance and by extrapolating it carefully.
引用
收藏
页码:344 / 347
页数:4
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