GENERAL RELATION BETWEEN DENSITY-OF-STATES AND DWELL TIMES IN MESOSCOPIC SYSTEMS

被引:47
作者
IANNACCONE, G [1 ]
机构
[1] UNIV PISA,DIPARTIMENTO INGN INFORMAZ,I-56126 PISA,ITALY
来源
PHYSICAL REVIEW B | 1995年 / 51卷 / 07期
关键词
D O I
10.1103/PhysRevB.51.4727
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A relevant relation between the dwell time and the density of states for a three-dimensional system of arbitrary shape with an arbitrary number of incoming channels is derived. This result extends the one obtained by Gasparian and co-workers for the case of a one-dimensional symmetrical potential barrier. We believe that such a strong relation is rich in physical significance because the dwell time is the most widely accepted time measure of a particle's dynamics and the density of states in a given region is one of the most relevant properties of a system in equilibrium. © 1995 The American Physical Society.
引用
收藏
页码:4727 / 4729
页数:3
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