Representations for three-body $T$-matrix on unphysical sheets. I
Teoretičeskaâ i matematičeskaâ fizika, Tome 107 (1996) no. 3, pp. 450-477 Cet article a éte moissonné depuis la source Math-Net.Ru

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Explicit representations are formulated for the Faddeev components of three-body $T$-matrix continued analytically on unphysical sheets of the energy Riemann surface. According to the representations, the $T$-matrix is obviously expressed in terms of its components taken on the physical sheet only. The representations for $T$-matrix are used to construct similar representations for analytical continuation of three-body scattering matrices and resolvent. Domains on unphysical sheets are described where the representations obtained can be applied.
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A. K. Motovilov. Representations for three-body $T$-matrix on unphysical sheets. I. Teoretičeskaâ i matematičeskaâ fizika, Tome 107 (1996) no. 3, pp. 450-477. http://geodesic.mathdoc.fr/item/TMF_1996_107_3_a8/

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