The Faddeev equation and the location of the essential spectrum of a model multi-particle operator
Tulkin H. RasulovSamarkand State University, Universitetskii bulv. 15, Samarkand, 140104, Uzbekistan
ABI
Аннотация
In this paper we consider a model operator which acts in a three-particle cut subspace of the Fock space. We describe “two-particle” and “three-particle” branches of the essential spectrum and obtain an analog of the Faddeev equation for eigenfunctions of this operator.
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