Binding of resonant states in a magnetic field

被引：18

作者：

Bylicki, M ^{[1
]}

Jaskolski, W ^{[1
]}

机构：

[1] Inst Fizyki UMK, PL-87100 Torun, Poland

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.60.15924

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the theoretical prediction of the phenomenon of turning a shape resonance into a bound state in the presence of a magnetic field. A model potential for a multishell spherical quantum dot is used in the study. Sharp changes of the resonance width are observed when the magnetic field is increasing. It is shown that for some critical value of the field, the above-threshold resonant states undergo an abrupt transformation to bound states. The effect is explained and the influence of a magnetic field on the width of atomic shape resonances is discussed. [S0163-1829(99)05947-0].

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页码：15924 / 15927

页数：4

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