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THE FINITENESS OF THE NUMBER OF EIGENVALUES OF THE FOUR-PARTICLE SCHRÖDINGER OPERATOR WITH THREE-PARTICLE CONTACT INTERACTION

I. Bozorov, U. Shadiev, G. Yodgorov

Abstract: In this paper, we consider the four-particle Schr\"{o}dinger operator corresponding to the Hamiltonian of a system of four arbitrary quantum particles via a three-particle contact interaction potential on a three-dimensional lattice. The finiteness of the number of eigenvalues of the Schr\"{o}dinger operator lying to the left of the essential spectrum for zero value of the total quasi-momentum is proved.
Keywords: NUMBER OF EIGENVALUES / finiteness of the number / Hamiltonian / lying / corresponding / SCHRÖDINGER / quasi / quantum

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