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首页> 外文期刊>Physica, B. Condensed Matter >Delocalization in one-dimensional disordered systems with a short range correlation
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Delocalization in one-dimensional disordered systems with a short range correlation

机译：具有短程相关性的一维无序系统中的离域

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摘要

Delocalization in one-dimensional disordered systems with a short range correlation in on-site energies as well as in nonlinear parameter is studied using stationary discrete nonlinear Schrodinger equation. Depending upon the strength of the on-site energies and the nonlinear parameter the resonance energy with complete transmission is obtained. The half-width of the averaged transmission peak initially decreases algebraically with the sample length and for large sample length it decreases exponentially. With the increase in the strength of the nonlinear parameter the sample length where the algebraical decay is observed decreases. Under a certain condition among the on-site energies and the nonlinear parameter the correlated system behaves like a perfect system at any energy.
机译：利用平稳的离散非线性薛定equation方程，研究了一维无序系统在现场能量和非线性参数中具有短程相关性的离域现象。取决于现场能量的强度和非线性参数，可以获得完全传输的共振能量。平均透射峰的半峰宽最初随样本长度呈代数递减，而对于大样本长度，其呈指数递减。随着非线性参数强度的增加，观察到代数衰减的样本长度减小。在现场能量和非线性参数之间的一定条件下，相关系统在任何能量下的行为都像一个完美的系统。

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