Spectrum of a model operator in the perturbation theory of the essential spectrum

被引：9

作者：

Yodgorov, GR ^{[1
]}

Muminov, ME

机构：

[1] Uzbek Acad Sci, Samarkand Branch, Complex Res Inst Reg Problems, Samarkand, Uzbekistan

[2] Samarkand State Univ, Samarkand, Uzbekistan

来源：

THEORETICAL AND MATHEMATICAL PHYSICS | 2005年 / 144卷 / 03期

关键词：

creation and annihilation operators; essential spectrum; positive operator; compact operator;

D O I：

10.1007/s11232-005-0163-1

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider a model operator acting in a. subspace of a. Fock space and obtain a, symmetrized analogue of the Faddeev equation. For the operator considered, we describe the position and the structure of its essential spectrum.

引用

页码：1344 / 1352

页数：9

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