LATTICE DYNAMICS OF SIMPLE CUBIC LATTICES WITH LONG-RANGE INTERACTIONS

被引：2

作者：

DAVIES, JA

YEDINAK, PD

机构：

[1] Clark University, Worcester, MA

[2] Western Maryland College, Westminster, MD

来源：

JOURNAL OF MATHEMATICAL PHYSICS | 1969年 / 10卷 / 06期

关键词：

D O I：

10.1063/1.1664937

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An analytic study is made of the dispersion relations and frequency spectra of simple cubic lattices in which there exist long-range potentials of the form 1/rp. The rigid-ion approximation is used. An expansion of the dispersion relations about the maximum propagation vector in the first Brillouin zone is obtained for 1 ≤ p ≤ 3 and the contribution of the region about this point to the vibrational frequency spectrum of the lattice is studied.

引用

页码：1090 / &

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