Journal
JOURNAL OF SUPERCONDUCTIVITY
Volume 18, Issue 5-6, Pages 603-612Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10948-005-0046-6
Keywords
cuprates; bipolarons; isotope effects; Lorenz number; Nernst effect; checkerboard modulations
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Strong electron-phonon (e-ph) interaction in cuprates and other high-temperature superconductors has gathered support over the last decade in a large number of experiments. I briefly review the Frohlich-Coulomb multi-polaron model of high-temperature superconductivity, which includes strong onsite repulsive correlations and the long-range Coulomb and e-ph interactions. The extension of the BCS theory to the strong-coupling regime with a long-range unscreened e-ph interaction naturally explains the isotope effects, unconventional thermomagnetic transport, and checkerboard modulations of the tunnelling density of states (DOS) in cuprates.
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