The infiniteness of the number of eigenvalues in the gap in the essential spectrum for the three-particle Schrödinger operator on a lattice

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作者
M. E. Muminov
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[1] Alisher Navoi Samarkand State University,
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three-particle system on a lattice; Schrödinger operator; essential spectrum; discrete spectrum; compact operator;
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摘要
We consider a system of three arbitrary quantum particles on a three-dimensional lattice that interact via attractive pair contact potentials. We find a condition for a gap to appear in the essential spectrum and prove that there are infinitely many eigenvalues of the Hamiltonian of the corresponding three-particle system in this gap.
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页码:667 / 683
页数:16
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