Efimov's effect in a model of perturbation theory of the essential spectrum
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Publication:1400114
DOI10.1023/A:1022980112256zbMath1023.81007MaRDI QIDQ1400114
Saidachmat Lakaev, Tulkin H. Rasulov
Publication date: 13 August 2003
Published in: Functional Analysis and its Applications (Search for Journal in Brave)
eigenvaluesessential spectrumenergy operatormodel operatorEfimov effectinfinitely many eigenvaluessystems with nonconserved number of particles
Eigenvalue problems for linear operators (47A75) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Perturbation theories for operators and differential equations in quantum theory (81Q15)
Related Items (9)
On the spectrum of an Hamiltonian in Fock space. Discrete spectrum asymptotics ⋮ Spectrum of a model operator in the perturbation theory of the essential spectrum ⋮ Investigation of the spectrum of a model operator in a Fock space ⋮ Analysis of the discrete Spectrum of the family SPECTRUM of \(3\times 3\) operator matrices ⋮ Infinite number of eigenvalues of \(2\times 2\) operator matrices: asymptotic discrete spectrum ⋮ Discrete spectrum of a model operator in Fock space ⋮ On the structure of the essential spectrum of a model many-body Hamiltonian ⋮ On the number of eigenvalues of a matrix operator ⋮ On the spectrum of the lattice spin-boson Hamiltonian for any coupling: 1D case
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