Dispersion Relations in the One-Boson Lee Model
作者:
Leonard Scarfone,
G. Lantry Brooks,
期刊:
American Journal of Physics
(AIP Available online 1967)
卷期:
Volume 35,
issue 2
页码: 104-110
ISSN:0002-9505
年代: 1967
DOI:10.1119/1.1973897
出版商: American Association of Physics Teachers
数据来源: AIP
摘要:
The one-boson Lee model is used as a simple example for demonstrating how the methods of dispersion theory can be used to calculate state vectors, wavefunction renormalization constants, and self-energies without having to solve eigenvalue equations. This method of solution has been applied successfully to the original Lee model; in this paper we give some analogous calculations at a more elementary level. The same point of view was taken in a previous paper where the Lehmann-Symanzik-Zimmermann formalism was used to solve the first nontrivial sector of the one-boson case.
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