A New Levinson's Theorem for Potentials with Critical Decay

被引:3
|
作者
Jia, Xiaoyao [1 ]
Nicoleau, Francois [2 ]
Wang, Xue Ping [2 ]
机构
[1] Henan Univ Sci & Technol, Dept Math, Luoyang 471003, Peoples R China
[2] Univ Nantes, Lab Math Jean Leray, CNRS, UMR 6629, F-44322 Nantes 3, France
来源
ANNALES HENRI POINCARE | 2012年 / 13卷 / 01期
关键词
SPECTRAL SHIFT FUNCTION; SCHRODINGER-OPERATORS; ASYMPTOTIC-BEHAVIOR; TIME; PERTURBATIONS; EXPANSIONS; SCATTERING; THRESHOLD; RESOLVENT;
D O I
10.1007/s00023-011-0117-0
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study the low-energy asymptotics of the spectral shift function for Schrodinger operators with potentials decaying like O(1/vertical bar x vertical bar(2)). We prove a generalized Levinson's theorem for this class of potentials in presence of zero eigenvalue and zero resonance.
引用
收藏
页码:41 / 84
页数:44
相关论文
共 50 条