Shifts of Random Energy Levels by a Local Perturbation

Shifts of Random Energy Levels by a Local Perturbation
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局部扰动引起的随机能级变化

DOI:
10.1103/physrevlett.80.814
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发表时间:
1997
影响因子:
8.6
通讯作者:
K. Matveev
K. Matveev
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
I. Aleiner;K. Matveev

文献摘要

被引文献

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我们考虑了局域微扰对随机矩阵理论描述的系统能级的影响。得到了初始能级和最终能级联合分布函数的解析表达式。在么正系综下,我们还求出了初态密度和终态密度的两点关联函数。
We consider the effect of a local perturbation on the energy levels of a system described by random matrix theory. An analytic expression for the joint distribution function of initial and final energy levels is obtained. In the case of unitary ensemble we also find the two-point correlation function of initial and final densities of states.