Abstract
A system of fermions with attraction described by the model Hamiltonian in superconductivity theory with separable interaction is considered. Asymptotically exact estimates (as V → ∞) for the minimal eigenvalue of the Hamiltonian, correlation functions, and Green’s functions are obtained.
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Bogolyubov, N.N. (1972). The Model Hamiltonian in Superconductivity Theory. In: Bogolyubov, N.N., Baldin, A.M., Van Heu, N., Solov’ev, V.G. (eds) Particles and Nuclei. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-7659-0_1
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DOI: https://doi.org/10.1007/978-1-4684-7659-0_1
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