Superconductivity in an oxygen hole metal
J. E. Hirsch, F. Marsiglio
DOI 10.1103/PhysRevB.41.2049 · Physical Review B
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Abstract
We study the properties of a model Hamiltonian to describe conduction by holes in a lattice of 02− anions. An attractive interaction between nearest-neighbor holes with antiparallel spins exists in certain parameter regimes. The physical mechanism giving rise to this attraction is discussed. The model predicts extended s-wave superconductivity with high critical temperatures with dependence on hole density consistent with observations on oxides.
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