Geodesic
$N\theta$ sector of the Lee model with form factor belonging to the class of entire functions
Teoretičeskaâ i matematičeskaâ fizika, Tome 22 (1975) no. 2, pp. 231-235 Cet article a éte moissonné depuis la source Math-Net.Ru

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Properties of the Green function of $V$-particle in the Lee model are investigated. It is proved that there is no ghost states in the $N\theta$-sector of the model if the elementary length $\displaystyle{l\geq \frac{1}{\mu}\exp \left\{-\frac{1}{g_{\tau}^2}\right\}}$. The Green function of the $V$-particle possesses an infinite sequence of poles on the second Riemannian sheet of the complex energy plane. 
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     title = {$N\theta$ sector of the {Lee} model with form factor belonging to the class of entire functions},
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F. Kh. Abdullaev; A. Yu. Yumatov. $N\theta$ sector of the Lee model with form factor belonging to the class of entire functions. Teoretičeskaâ i matematičeskaâ fizika, Tome 22 (1975) no. 2, pp. 231-235. http://geodesic.mathdoc.fr/item/TMF_1975_22_2_a7/

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