Study of band structure of YBa 2 Cu 3 O 7 has shown that electron coupling to A g , B 2g and B 3g modes results in fluctuation of saddle point of one of the CuO plane d-pr band in Y point of 1st BZ across Fermi level. It represents breakdown of adiabatic Born-Oppenheimer approximation and transition
β¦ LIBER β¦
Nonadiabatic effects in the phonon spectra of superconductors
β Scribed by A. E. Karakozov; E. G. Maksimov
- Book ID
- 110145835
- Publisher
- Springer
- Year
- 1999
- Tongue
- English
- Weight
- 183 KB
- Volume
- 88
- Category
- Article
- ISSN
- 1063-7761
- DOI
- 10.1134/1.558881
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