Evidence for a-b-plane coupling to longitudinal c-axis phonons in high-Tc superconductors.
作者： M. Reedyk , T. Timusk
DOI: 10.1103/PHYSREVLETT.69.2705
关键词:
摘要: We show that the strong absorption structure observed in a-b-plane optical conductivity of high-T c superconductors is correlated with c-axis longitudinal (LO ) phonons. This suggests a resolution to long-standing controversy over origin these features. The interaction LO phonons forbidden when incident wave vector q normal axis which leads surprising result, confirmed experiments, properties along or b are different measured on face and containing
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