Density of states and localization lengths in one-dimensional linear chains

被引：0

作者：

DeOliveira, MJ

Petri, A

机构：

[1] Instituto de Física, Universidade de São Paulo, 05315-970 São Paulo, SP

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1997年 / 11卷 / 18期

关键词：

D O I：

10.1142/S0217979297001131

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The integral equation for computing the density of states of a disordered linear chain of harmonic oscillators is interpreted as describing a stochastic Markov process, and its solution is determined by means of Monte Carlo simulation of the process. It is also shown that, in addition to the localization lengths of the eigenstates, the method allows the computation of the generalized Ljapunov exponents. Many different examples of application, ranging from systems with uncorrelated disorder to deterministic aperiodic chains, are reported.

引用

页码：2195 / 2205

页数：11

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