Theory of Unconventional Superconductors

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The book explores a novel theory of unconventional superconductivity influenced by spin excitations, utilizing the Hubbard Hamiltonian. It examines the complex relationship between magnetism and superconductivity across various unconventional superconductors. A significant focus is placed on the application of this theory to Cooper-pairing via spin fluctuation exchange, particularly in the context of singlet pairing in both hole- and electron-doped high-temperature superconductors.