LO strong coupling superconductivity theory

A superconductivity theory is set up in this Communication, which considers the effective retardative attractive interaction mediated by LO phonon under the condition of transition of small polaron into large polaron. It has been discovered that high T c superconductivity will be caused in the condi...

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Bibliographic Details
Published inSolid state communications Vol. 64; no. 1; pp. 93 - 95
Main Authors Yi, Sheng, Yin-long, Sun, Liu, Fu-sui
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.10.1987
Elsevier
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Superconductivity
Theory and models of superconducting state
Polaron
Mode coupling
Degenerate state
Polar crystals
Electron phonon interaction
Electron interaction
Phonon mode
Superconductivity
Theoretical study
High frequency
High temperature superconductor
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Summary:A superconductivity theory is set up in this Communication, which considers the effective retardative attractive interaction mediated by LO phonon under the condition of transition of small polaron into large polaron. It has been discovered that high T c superconductivity will be caused in the condition of existence of degenerate high frequency LO phonon spectra. The high T c superconductivity of YBaCuO and similar MO systems are caused by the exchange of LO phonon between two Fröhlich polarons.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(87)90527-8