Regensburg 2010 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 34: SC: Iron-Based Superconductors - 122

TT 34.5: Talk

Thursday, March 25, 2010, 15:00–15:15, H20

Optical studies on iron pnictides under pressure — •Johannes Ferber, Hunpyo Lee, Yu-Zhong Zhang, Harald O. Jeschke, and Roser Valenti — Institut für Theoretische Physik, Goethe-Universität Frankfurt

The recent discovery of superconductivity in the iron pnictides draws high attention to the investigation of their properties. In particular, the measurement of the optical response provides experimental access to the electronic structure and the presumably important correlation effects. We examine the optical properties of different iron-based pnictides under pressure. Various 1111 and 122 systems are analyzed and compared using DFT and DMFT techniques.