Geodesic
Reduction to diagonal form of the Schrödinger operator in Fok space
Teoretičeskaâ i matematičeskaâ fizika, Tome 10 (1972) no. 2, pp. 249-258 
I. M. Sigal. Reduction to diagonal form of the Schrödinger operator in Fok space. Teoretičeskaâ i matematičeskaâ fizika, Tome 10 (1972) no. 2, pp. 249-258. http://geodesic.mathdoc.fr/item/TMF_1972_10_2_a9/
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     author = {I. M. Sigal},
     title = {Reduction to diagonal form of the {Schr\"odinger} operator in {Fok} space},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {249--258},
     year = {1972},
     volume = {10},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1972_10_2_a9/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The Fok space formalism is used to construct operators of creation and annihilation of bound complexes that participate in the scattering process for a system of nonrelativistic quantum particles with binary interaction. These operators are eigenvectors of the operator $H$ of commutation with the Hamittonian $\Hat H$ of the system. The operator $\Hat H$ is expressed in terms of them quadratically.

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