Electron-lattice interaction and its impact on high Tc superconductivity

Details Electron-lattice interaction and its impact on high Tc superconductivity Electron-lattice interaction and its impact on high Tc superconductivity

2009-04-14

arxiv.org/abs/0904.2038v1

Reviews of Modern Physics 81,481(2009)

Physics

Condensed Matter

Superconductivity

Scientific paper

10.1103/RevModPhys.81.481

In this Colloquium, the main features of the electron-lattice interaction are discussed and high values of the critical temperature up to room temperature could be provided. While the issue of the mechanism of superconductivity in the high Tc cuprates continues to be controversial, one can state that there have been many experimental results demonstrating that the lattice makes a strong impact on the pairing of electrons. The polaronic nature of the carriers is also a manifestation of strong electron-lattice interaction. One can propose an experiment that allows an unambiguous determination of the intermediate boson (phonon, magnon, exciton, etc.) which provides the pairing. The electron-lattice interaction increases for nanosystems, and this is due to an effective increase in the density of states.

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