Low-energy interband transitions in YBa2Cu3O7

I. I. Mazin, Sergey Rashkeev, A. I. Liechtenstein, O. K. Andersen

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Based on a numerically highly accurate local-density-approximation (LDA) calculation, we present a kp analysis of the interband optical absorption in YBa2Cu3O7 in the infrared region (Latin small letter h with strokeω<0.1 eV). It is shown that the LDA band structure gives rise to three infrared interband transitions: A sharp peak for the in-plane (Ec) polarization at about 320 cm-1, a wide maximum for Ec at about 420 cm-1, and a structureless absorption (ε2const) for Ec. The first feature is due to transitions between the apical-oxygen-derived bands, the second one to that between the z-even and z-odd CuO2 plane bands, and the third one to the transitions between the chain band and the z-odd plane band. The possibility of observing these features in experiment is discussed.

Original languageEnglish
Pages (from-to)11232-11235
Number of pages4
JournalPhysical Review B
Volume46
Issue number17
DOIs
Publication statusPublished - 1 Dec 1992
Externally publishedYes

Fingerprint

Local density approximation
Infrared radiation
Electron transitions
Band structure
Light absorption
Polarization
Oxygen
energy
strokes
approximation
Experiments
optical absorption
barium copper yttrium oxide
oxygen
polarization

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Mazin, I. I., Rashkeev, S., Liechtenstein, A. I., & Andersen, O. K. (1992). Low-energy interband transitions in YBa2Cu3O7. Physical Review B, 46(17), 11232-11235. https://doi.org/10.1103/PhysRevB.46.11232

Low-energy interband transitions in YBa2Cu3O7. / Mazin, I. I.; Rashkeev, Sergey; Liechtenstein, A. I.; Andersen, O. K.

In: Physical Review B, Vol. 46, No. 17, 01.12.1992, p. 11232-11235.

Research output: Contribution to journalArticle

Mazin, II, Rashkeev, S, Liechtenstein, AI & Andersen, OK 1992, 'Low-energy interband transitions in YBa2Cu3O7', Physical Review B, vol. 46, no. 17, pp. 11232-11235. https://doi.org/10.1103/PhysRevB.46.11232
Mazin, I. I. ; Rashkeev, Sergey ; Liechtenstein, A. I. ; Andersen, O. K. / Low-energy interband transitions in YBa2Cu3O7. In: Physical Review B. 1992 ; Vol. 46, No. 17. pp. 11232-11235.
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