Forbidden activation levels in a non-stationary tunneling process

被引：4
|
作者：
Granot, E [1 ]
机构：
[1] Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron, IL-69978 Tel Aviv, Israel
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2002年 / 14卷 / 04期
关键词：
transport and tunneling; single electron devices;
D O I：
10.1016/S1386-9477(01)00174-6
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Tunneling in the presence of an opaque barrier, part of which varies in time, is investigated numerically and analytically in one dimension. Clearly, due to the varying barrier a tunneling particle experiences spectral widening. However, in the case of strong perturbations, the particles' activation to certain energies is avoided. We show that this effect occurs only when the perturbation decays faster than t(-2). (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码：397 / 401
页数：5
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