Abstract:
We consider a system of three arbitrary quantum particles on a one-dimensional lattice interacting pairwise via attractive contact potentials. We prove that the discrete spectrum of the corresponding Schrödinger operator is finite for all values of the total quasimomentum in the case where the masses of two particles are finite. We show that the discrete spectrum of the Schrödinger operator is infinite in the case where the masses of two particles in a three-particle system are infinite.
Keywords:
three-particle system on a lattice, Schrödinger operator, essential spectrum, discrete spectrum, compact operator.
Citation:
M. É. Muminov, N. M. Aliev, “Spectrum of the three-particle Schrödinger operator on a one-dimensional lattice”, TMF, 171:3 (2012), 387–403; Theoret. and Math. Phys., 171:3 (2012), 754–768
This publication is cited in the following 6 articles:
Zahriddin Muminov, Shukhrat Alladustov, “Threshold Analysis of the Schrödinger Operator of the System of Three Particles with Masses $m_1=m_2=\infty $ and $m_3<\infty $”, Complex Anal. Oper. Theory, 19:1 (2024)
Z. I. Muminov, N. M. Aliev, T. Radjabov, “On the Discrete Spectrum of the Three-Particle Schrödinger Operator on a Two-Dimensional Lattice”, Lobachevskii J Math, 43:11 (2022), 3239
S. N. Lakaev, A. R. Khalmukhamedov, A. M. Khalkhuzhaev, “Bound states of the Schrödinger operator of a system of three bosons on a lattice”, Theoret. and Math. Phys., 188:1 (2016), 994–1005
M. Muminov, H. Neidhardt, T. Rasulov, “On the spectrum of the lattice spin-boson Hamiltonian for any coupling: 1D case”, Journal of Mathematical Physics, 56:5 (2015)
M. I. Muminov, T. H. Rasulov, “Infiniteness of the number of eigenvalues embedded in the essential spectrum of a $2\times2$ operator matrix”, Eurasian Math. J., 5:2 (2014), 60–77
N. M. Aliev, M. E. Muminov, “On the spectrum of the three-particle Hamiltonian on a unidimensional lattice”, Siberian Adv. Math., 25:3 (2015), 155–168