The strange infrared conductivity of La2CuO4.06
The infrared reflection spectra of a $\rm La _2 CuO _{4.06}$ single crystal have been measured on the ab-plane in the normal and superconducting states. A huge non-conventional thermal evolution of the reflectivity is observed in the whole measured range (20–10000 cm-1). Through a Kramers-Kronig ana...
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| Veröffentlicht in: | Europhysics letters 1997-02, Vol.37 (5), p.341-346 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
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| Online-Zugang: | Volltext |
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| Zusammenfassung: | The infrared reflection spectra of a $\rm La _2 CuO _{4.06}$ single crystal have been measured on the ab-plane in the normal and superconducting states. A huge non-conventional thermal evolution of the reflectivity is observed in the whole measured range (20–10000 cm-1). Through a Kramers-Kronig analysis of the data we can separate the contributions from the normal state and Cooper pair condensation. Measurements can be explained by considering a polaron delocalisation. |
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| ISSN: | 0295-5075 1286-4854 |
| DOI: | 10.1209/epl/i1997-00154-7 |