BRANCHED STRUCTURE OF VIBRATION SPECTRUM OF DIAMOND TYPE HIERARCHICAL LATTICES

被引：3
|
作者：
YANG, ZR [1 ]
机构：
[1] BEIJING NORMAL UNIV,DEPT PHYS,BEIJING 100875,PEOPLES R CHINA
来源：
PHYSICA A | 1991年 / 173卷 / 1-2期
关键词：
D O I：
10.1016/0378-4371(91)90249-C
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this letter the spectral structure of lattice vibrations of diamond type hierarchical lattices is studied. A novel feature is found that spectra form a branched structure associated with generations, in contrast with that of other regular fractals. We point out that it seems to be difficult to get a single spectral dimension to describe the scaling behaviour of the low-frequency density of states.
引用
收藏
页码：45 / 48
页数：4
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