Mechanism for high-temperature superconductivity in cuprates
R. Lal, S. K. Joshi
DOI 10.1103/PhysRevB.43.6155 · Physical Review B
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Abstract
A treatment of the Coulomb interaction in cuprates by a time-dependent multiple-scattering theory leads to coherently excited holes in the ‘‘antibonding’’ band with the appearance of a pairing interaction between the (coherently excited) holes. This pairing interaction leads to superconductivity in doped cuprates. The essential points of the mechanism are discussed by making some illustrative calculations and by examining the behavior of a few parameters.
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