Lattice dynamics of thorium using semi-nonlocal pseudopotential

被引：0
|
作者：
Baria, JK [1 ]
Gajjar, PN [1 ]
Jani, AR [1 ]
机构：
[1] Sardar Patel Univ, Dept Phys, Vallabh Vidyanagar 388120, Gujarat, India
来源：
INDIAN JOURNAL OF PURE & APPLIED PHYSICS | 2002年 / 40卷 / 10期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A semi-nonlocal pseudopotential is proposed to calculate lattice dynamics of fcc thorium. A unique technique is suggested to determine the parameter of the potential. A new criterion for the selection of screening function is suggested, for the first time, to incorporate exchange and correlation effects in the pseudopotential form factor. The present calculations have produced relatively better theoretical values compared to earlier reports for phonon dispersion curves, C-11, C-12, B and the propagation velocities of elastic waves.
引用
收藏
页码：714 / 719
页数：6
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