Electron-phonon Interactions in HTSC Cuprates
Journal Article
·
· Physica B: Condensed Matter
- University of Pennsylvania
- National Institute of Standards and Technology (NIST)
- Ames Laboratory
- ORNL
- ISIS Facility, Rutherford Appleton Laboratory
- University of Washington, Seattle
- Institute of Materials Structure Science, Japan
- Superconductivity Research Laboratory, Japan
- Tohoku University, Japan
Phonons have been generally considered to be irrelevant to the high-temperature superconductivity in the cuprates. However, such a bias is usually based upon the assumption of conventional electron-phonon coupling, while in the cuprates the coupling can be rather unconventional because of strong electron correlation. We present the results of our recent measurements of phonon dispersion in YBa{sub 2}Cu{sub 3}O{sub 6+x} by inelastic neutron scattering. These suggest certain phonon modes interact strongly with electrons and are closely involved in the superconductivity phenomenon with possible contribution to pairing.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC05-00OR22725
- OSTI ID:
- 1003491
- Journal Information:
- Physica B: Condensed Matter, Vol. 316-317, Issue 1; ISSN 0921-4526
- Country of Publication:
- United States
- Language:
- English
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