Breit-Wigner formula at barrier tops

被引：4

作者：

Fujiié, S ^{[1
]}

Ramond, T

机构：

[1] Tohoku Univ, Inst Math, Sendai, Miyagi 9808578, Japan

[2] Univ Paris 11, Dept Math, CNRS, UMR 8628, F-91405 Orsay, France

来源：

JOURNAL OF MATHEMATICAL PHYSICS | 2003年 / 44卷 / 05期

关键词：

D O I：

10.1063/1.1562749

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

For noncritical energies, the asymptotic behavior of the scattering phase and of the time-delay are known to be described by a Weyl type formula and the Breit-Wigner formula, respectively. We consider here the case of critical energy levels in dimension 1. We obtain the semiclassical asymptotics of the scattering phase and of the time-delay, uniformly with respect to the energy in a neighborhood of a critical value. (C) 2003 American Institute of Physics.

引用

页码：1971 / 1983

页数：13

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