2V Sector of the Lee Model
- 1 February 1968
- journal article
- research article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 9 (2) , 246-254
- https://doi.org/10.1063/1.1664575
Abstract
The Lehmann‐Symanzik‐Zimmermann (LSZ) formalism is further used to analyze the 2V sector of the Lee model with boson sources at zero separation. Unlike previous LSZ investigations of the model, it is found that the solutions to two singular integral equations solve the entire sector. Two scattering amplitudes, a production amplitude, and an equation for the determination of the 2V potential energy are obtained. Similarities and differences between this sector and the V + θ subspace are pointed out.Keywords
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