Principles of finite-dimensional perturbation theory
作者:
I. V. Krasovskiı˘,
V. I. Peresada,
期刊:
Low Temperature Physics
(AIP Available online 1997)
卷期:
Volume 23,
issue 1
页码: 59-68
ISSN:1063-777X
年代: 1997
DOI:10.1063/1.593337
出版商: AIP
数据来源: AIP
摘要:
The theory of finite-dimensional perturbations of self-adjoint operators, which is aimed at the solution of physical problems, is reviewed. Special attention is paid to the special kind of operators, which permits efficient application of theJ-matrix technique. The spectral density of a periodicJ-matrix is calculated. ©1997 American Institute of Physics.
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