DIELECTRIC BAND-STRUCTURE OF SOLIDS

被引：53

作者：

BALDERESCHI, A

TOSATTI, E

机构：

[1] INT CTR THEORET PHYS,TRIESTE,ITALY

[2] CNR,GNSM,IST FIS TEOR,TRIESTE,ITALY

来源：

SOLID STATE COMMUNICATIONS | 1979年 / 29卷 / 03期

关键词：

D O I：

10.1016/0038-1098(79)91022-6

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We introduce the dielectric band structure of a solid, obtained by diagonalizing its dielectric matrix, in the same way the energy band structure is defined from the Hamiltonian matrix. By means of this concept, we show how to introduce symmetry in the problem of screening, to visualize local-field effects and monitor chemical trends in dielectric properties. The dielectric band structures of diamond, Si, Ge, α-Sn, MgO and NaCl are calculated at q = 0 and for q → 0. © 1979.

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页码：131 / 135

页数：5

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