On the essential spectrum of a four-particle Schrödinger operator on a lattice
M. I. MuminovSamarkand State University, Samarkand, 140100, UzbekistanU. R. ShodievSamarkand State University, Samarkand, 140100, Uzbekistan
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Аннотация
The Hamiltonian of a system of four arbitrary quantum particles with three-particle short-range interaction potentials on a three-dimensional lattice is examined. The location of the essential spectrum of this Hamiltonian is described by Faddeev’s equations.
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