FRACTON DIMENSIONALITIES FOR FIELD-BIASED DIFFUSION-LIMITED AGGREGATION CLUSTERS

被引：2
|
作者：
PENG, GW [1 ]
TIAN, DC [1 ]
机构：
[1] ACAD SINICA, INT CTR MAT PHYS, SHENYANG 110015, PEOPLES R CHINA
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.43.8572
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The vibrational densities of states for a series of field-biased diffusion-limited aggregation clusters with varying fractal dimensions in two Euclidean dimensions are computed numerically by the continued-fraction recursion method. It is confirmed that the density of states is characterized by a power-law behavior in the fracton-frequency regime. The fraction dimensionalities are found to favor the Aharony-Stauffer conjecture in the present case. Numerical results also show that the fraction mode is strongly localized in the diffusion-limited aggregation systems.
引用
收藏
页码：8572 / 8575
页数：4
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