Polarization-induced pairing in high-temperature superconductivity
J. Callaway, D. G. Kanhere, P. K. Misra
DOI 10.1103/PhysRevB.36.7141 · Physical Review B
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Abstract
We propose a mechanism for the pairing of electrons at the copper sites on the spine of quasi-one-dimensional Cu-O chains induced by the electronic polarization of the oxygen atoms in the side chains. We use a model Hamiltonian for a cluster of Cu-O chains and calculate the various correlation functions for a wide range of parameters. We examine the conditions for the onset of polarization-induced pairing states. Our results may be relevant to high-Tc superconductor YBa2Cu3O7−x.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7-x Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 90 | Pressure not reported | unknown |
| La2CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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