On the theory of two-component superconducting Fermi liquid

The theory developed for a two-component superconducting Fermi liquid is applicable for describing superconductivity in metals and alloys with two overlapping conduction bands. The proposed approach permits intraband and interband superconducting correlations, Fermi liquid effects and electron–hole pairing. The possibility of using the two-band model for investigating high-temperature superconductors is discussed. The resultant system of nonlinear equations generalizes the Ginzburg–Landau equations for superconductors described by two order parameters.

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