ERICSON FLUCTUATIONS VERSUS CONDUCTANCE FLUCTUATIONS - SIMILARITIES AND DIFFERENCES

被引：24
|
作者：
WEIDENMULLER, HA
机构：
[1] Max-Planck-Institut für Kernphysik, Heidelberg
来源：
NUCLEAR PHYSICS A | 1990年 / 518卷 / 1-2期
关键词：
D O I：
10.1016/0375-9474(90)90531-P
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The universal conductance fluctuations of mesoscopic systems in the metallic regime are compared with Ericson fluctuations of compound nucleus cross sections. Both phenomena can be viewed as cross-section fluctuations in the domain of strongly overlapping resonances, the resonances having stochastic features. Differences arise because the conductance is a sum over many channels, and because the length of the mesoscopic system can be varied continuously. © 1990.
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页码：1 / 12
页数：12
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