Levinson's theorem for Schrodinger operators with point interaction: a topological approach

被引：22

作者：

Kellendonk, Johannes ^{[1
]}

Richard, Serge

机构：

[1] Univ Lyon, F-63003 Lyon, France

[2] Univ Lyon 1, Inst Camille Jordan, F-69622 Villeurbanne, France

[3] CNRS, UMR5208, F-69622 Villeurbanne, France

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2006年 / 39卷 / 46期

关键词：

D O I：

10.1088/0305-4470/39/46/011

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, Levinson's theorems for Schrodinger operators in R-n with one-point interaction at 0 are derived using the concept of winding numbers. These results are based on new expressions for the associated wave operators.

引用

页码：14397 / 14403

页数：7

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