Abstract
We consider generalized quantum Gaudin systems in an external magnetic field associated with non-skew-symmetric sl(2)-valued classical r-matrices. We calculate spectra of the generating function of the corresponding Hamiltonians using the algebraic Bethe ansatz. We apply these results to the construction of integrable fermionic Hamiltonians of a generalized BCS type. We investigate the special cases when the corresponding integrable Hamiltonians contain only a pairing interaction term and consider an example of such a situation associated with a special non-skew-symmetric r-matrix.
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