Schrödinger operators on lattices. The Efimov effect and discrete spectrum asymptotics

Sergio Albeverio, Saidakhmat N. Lakaev, Zahriddin I. Muminov

The Hamiltonian of a system of three quantum mechanical particles moving on the three-dimensional lattice ${\mathbb{Z}}^3$ and interacting via zero-range attractive potentials is considered.…