CROSSING AND ANTICROSSING OF RESONANCES - THE WANNIER-STARK LADDERS

被引：13

作者：

GRECCHI, V ^{[1
]}

SACCHETTI, A ^{[1
]}

机构：

[1] UNIV MODENA,DIPARTIMENTO MATEMAT,I-41100 MODENA,ITALY

来源：

ANNALS OF PHYSICS | 1995年 / 241卷 / 02期

关键词：

D O I：

10.1006/aphy.1995.1063

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In the framework of regular perturbation theory we discuss the weak field crossing behavior of the resonances in double ladder (and double well) Stark problems. We get a precise condition for the anticrossing in terms of the Agmon length of the Zener barriers. This condition has a simple physical meaning: as a general rule we have anticrossing and beating effect if the lifetime of the system is larger than the beating period. Of course, we have full delocalization in the anticrossing case only. (C) 1995 Academic Press, Inc.

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页码：258 / 284

页数：27

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