Inverse participation ratio in 2+ε dimensions

Inverse participation ratio in 2+ε dimensions
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DOI:
10.1007/bf01325284
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发表时间:
1980-09
期刊:
Zeitschrift für Physik B Condensed Matter
影响因子:
--
通讯作者:
F. Wegner
F. Wegner
中科院分区:
其他
文献类型:
--
作者:
F. Wegner

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随机势中粒子的本征函数(包括逆参与比)的平均矩被认为位于迁移率边缘附近。对于 ad=2+ε 维系统,幂律的指数以单循环顺序的 ε 展开形式给出。该计算基于移动边缘问题的最新公式,该公式将其映射到交互矩阵模型上。
The averaged moments of the eigenfunctions (including the inverse participation ratio) of a particle in a random potential are considered near the mobility edge. The exponents of the power laws are given in anε-expansion in one-loop order for ad=2+εdimensional system. The calculation is based on a recent formulation of the mobility edge problem which maps it onto a model of interacting matrices.