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Femtosecond Study of Photodoping Phenomena in a Parent Compound of a High-Temperature Superconductor

M. Beyer, K. W. Kim, V. V. Kabanov, H. Schäfer, G. Logvenov, I. Bozovic, and J. Demsar

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Abstract

We present the first spectrally-resolved study of the femtosecond dynamics in La2CuO4, the undoped parent-compound of the high-temperature superconductor. The data reveal strong band-gap renormalization and the appearance of in-gap states attributed to photo-doping.

© 2010 Optical Society of America

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