Eigenvalues and virtual levels of a family of $2 \times 2$ operator matrices

zbMath1449.81020arXiv1911.04918MaRDI QIDQ3305883

E. B. Dilmurodov, Tulkin H. Rasulov

Publication date: 12 August 2020

Full work available at URL: https://arxiv.org/abs/1911.04918

zbMATH Keywords

creation and annihilation operatorsoperator matricesvirtual levels

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10)

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